221530764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 658075488

約数和(自身を除く): 436544724

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 73, 78, 84, 91, 98, 146, 147, 156, 182, 196, 219, 273, 292, 294, 364, 397, 438, 511, 546, 588, 637, 794, 876, 949, 1022, 1092, 1191, 1274, 1533, 1588, 1898, 1911, 2044, 2382, 2548, 2779, 2847, 3066, 3577, 3796, 3822, 4764, 5161, 5558, 5694, 6132, 6643, 7154, 7644, 8337, 10322, 10731, 11116, 11388, 13286, 14308, 15483, 16674, 19453, 19929, 20644, 21462, 26572, 28981, 30966, 33348, 36127, 38906, 39858, 42924, 46501, 57962, 58359, 61932, 72254, 77812, 79716, 86943, 93002, 108381, 115924, 116718, 139503, 144508, 173886, 186004, 202867, 216762, 233436, 252889, 279006, 347772, 376753, 405734, 433524, 505778, 558012, 608601, 753506, 758667, 811468, 1011556, 1130259, 1217202, 1420069, 1507012, 1517334, 2260518, 2434404, 2637271, 2840138, 3034668, 4260207, 4521036, 5274542, 5680276, 7911813, 8520414, 10549084, 15823626, 17040828, 18460897, 31647252, 36921794, 55382691, 73843588, 110765382, 221530764]

約数ペア:

[(1, 221530764), (2, 110765382), (3, 73843588), (4, 55382691), (6, 36921794), (7, 31647252), (12, 18460897), (13, 17040828), (14, 15823626), (21, 10549084), (26, 8520414), (28, 7911813), (39, 5680276), (42, 5274542), (49, 4521036), (52, 4260207), (73, 3034668), (78, 2840138), (84, 2637271), (91, 2434404), (98, 2260518), (146, 1517334), (147, 1507012), (156, 1420069), (182, 1217202), (196, 1130259), (219, 1011556), (273, 811468), (292, 758667), (294, 753506), (364, 608601), (397, 558012), (438, 505778), (511, 433524), (546, 405734), (588, 376753), (637, 347772), (794, 279006), (876, 252889), (949, 233436), (1022, 216762), (1092, 202867), (1191, 186004), (1274, 173886), (1533, 144508), (1588, 139503), (1898, 116718), (1911, 115924), (2044, 108381), (2382, 93002), (2548, 86943), (2779, 79716), (2847, 77812), (3066, 72254), (3577, 61932), (3796, 58359), (3822, 57962), (4764, 46501), (5161, 42924), (5558, 39858), (5694, 38906), (6132, 36127), (6643, 33348), (7154, 30966), (7644, 28981), (8337, 26572), (10322, 21462), (10731, 20644), (11116, 19929), (11388, 19453), (13286, 16674), (14308, 15483)]