198784128

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 128

約数和(自身を含む): 574888320

約数和(自身を除く): 376104192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 37, 48, 51, 64, 68, 74, 96, 102, 111, 128, 136, 148, 192, 204, 222, 272, 296, 384, 408, 444, 544, 592, 629, 816, 823, 888, 1088, 1184, 1258, 1632, 1646, 1776, 1887, 2176, 2368, 2469, 2516, 3264, 3292, 3552, 3774, 4736, 4938, 5032, 6528, 6584, 7104, 7548, 9876, 10064, 13168, 13991, 14208, 15096, 19752, 20128, 26336, 27982, 30192, 30451, 39504, 40256, 41973, 52672, 55964, 60384, 60902, 79008, 80512, 83946, 91353, 105344, 111928, 120768, 121804, 158016, 167892, 182706, 223856, 241536, 243608, 316032, 335784, 365412, 447712, 487216, 517667, 671568, 730824, 895424, 974432, 1035334, 1343136, 1461648, 1553001, 1790848, 1948864, 2070668, 2686272, 2923296, 3106002, 3897728, 4141336, 5372544, 5846592, 6212004, 8282672, 11693184, 12424008, 16565344, 24848016, 33130688, 49696032, 66261376, 99392064, 198784128]

約数ペア:

[(1, 198784128), (2, 99392064), (3, 66261376), (4, 49696032), (6, 33130688), (8, 24848016), (12, 16565344), (16, 12424008), (17, 11693184), (24, 8282672), (32, 6212004), (34, 5846592), (37, 5372544), (48, 4141336), (51, 3897728), (64, 3106002), (68, 2923296), (74, 2686272), (96, 2070668), (102, 1948864), (111, 1790848), (128, 1553001), (136, 1461648), (148, 1343136), (192, 1035334), (204, 974432), (222, 895424), (272, 730824), (296, 671568), (384, 517667), (408, 487216), (444, 447712), (544, 365412), (592, 335784), (629, 316032), (816, 243608), (823, 241536), (888, 223856), (1088, 182706), (1184, 167892), (1258, 158016), (1632, 121804), (1646, 120768), (1776, 111928), (1887, 105344), (2176, 91353), (2368, 83946), (2469, 80512), (2516, 79008), (3264, 60902), (3292, 60384), (3552, 55964), (3774, 52672), (4736, 41973), (4938, 40256), (5032, 39504), (6528, 30451), (6584, 30192), (7104, 27982), (7548, 26336), (9876, 20128), (10064, 19752), (13168, 15096), (13991, 14208)]