221428128

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 668787840

約数和(自身を除く): 447359712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 37, 38, 48, 51, 57, 68, 74, 76, 96, 102, 111, 114, 136, 148, 152, 193, 204, 222, 228, 272, 296, 304, 323, 386, 408, 444, 456, 544, 579, 592, 608, 629, 646, 703, 772, 816, 888, 912, 969, 1158, 1184, 1258, 1292, 1406, 1544, 1632, 1776, 1824, 1887, 1938, 2109, 2316, 2516, 2584, 2812, 3088, 3281, 3552, 3667, 3774, 3876, 4218, 4632, 5032, 5168, 5624, 6176, 6562, 7141, 7334, 7548, 7752, 8436, 9264, 9843, 10064, 10336, 11001, 11248, 11951, 13124, 14282, 14668, 15096, 15504, 16872, 18528, 19686, 20128, 21423, 22002, 22496, 23902, 26248, 28564, 29336, 30192, 31008, 33744, 35853, 39372, 42846, 44004, 47804, 52496, 57128, 58672, 60384, 62339, 67488, 71706, 78744, 85692, 88008, 95608, 104992, 114256, 117344, 121397, 124678, 135679, 143412, 157488, 171384, 176016, 187017, 191216, 228512, 242794, 249356, 271358, 286824, 314976, 342768, 352032, 364191, 374034, 382432, 407037, 485588, 498712, 542716, 573648, 685536, 728382, 748068, 814074, 971176, 997424, 1085432, 1147296, 1456764, 1496136, 1628148, 1942352, 1994848, 2170864, 2306543, 2913528, 2992272, 3256296, 3884704, 4341728, 4613086, 5827056, 5984544, 6512592, 6919629, 9226172, 11654112, 13025184, 13839258, 18452344, 27678516, 36904688, 55357032, 73809376, 110714064, 221428128]

約数ペア:

[(1, 221428128), (2, 110714064), (3, 73809376), (4, 55357032), (6, 36904688), (8, 27678516), (12, 18452344), (16, 13839258), (17, 13025184), (19, 11654112), (24, 9226172), (32, 6919629), (34, 6512592), (37, 5984544), (38, 5827056), (48, 4613086), (51, 4341728), (57, 3884704), (68, 3256296), (74, 2992272), (76, 2913528), (96, 2306543), (102, 2170864), (111, 1994848), (114, 1942352), (136, 1628148), (148, 1496136), (152, 1456764), (193, 1147296), (204, 1085432), (222, 997424), (228, 971176), (272, 814074), (296, 748068), (304, 728382), (323, 685536), (386, 573648), (408, 542716), (444, 498712), (456, 485588), (544, 407037), (579, 382432), (592, 374034), (608, 364191), (629, 352032), (646, 342768), (703, 314976), (772, 286824), (816, 271358), (888, 249356), (912, 242794), (969, 228512), (1158, 191216), (1184, 187017), (1258, 176016), (1292, 171384), (1406, 157488), (1544, 143412), (1632, 135679), (1776, 124678), (1824, 121397), (1887, 117344), (1938, 114256), (2109, 104992), (2316, 95608), (2516, 88008), (2584, 85692), (2812, 78744), (3088, 71706), (3281, 67488), (3552, 62339), (3667, 60384), (3774, 58672), (3876, 57128), (4218, 52496), (4632, 47804), (5032, 44004), (5168, 42846), (5624, 39372), (6176, 35853), (6562, 33744), (7141, 31008), (7334, 30192), (7548, 29336), (7752, 28564), (8436, 26248), (9264, 23902), (9843, 22496), (10064, 22002), (10336, 21423), (11001, 20128), (11248, 19686), (11951, 18528), (13124, 16872), (14282, 15504), (14668, 15096)]