218431276

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 478033920

約数和(自身を除く): 259602644

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 74, 89, 92, 103, 148, 161, 178, 206, 259, 322, 356, 412, 518, 623, 644, 721, 851, 1036, 1246, 1442, 1702, 2047, 2369, 2492, 2884, 3293, 3404, 3811, 4094, 4738, 5957, 6586, 7622, 8188, 9167, 9476, 11914, 13172, 14329, 15244, 16583, 18334, 23051, 23828, 26677, 28658, 33166, 36668, 46102, 53354, 57316, 64169, 66332, 75739, 87653, 92204, 106708, 128338, 151478, 175306, 210841, 256676, 302956, 339179, 350612, 421682, 530173, 613571, 678358, 843364, 1060346, 1227142, 1356716, 1475887, 2120692, 2374253, 2454284, 2951774, 4748506, 5903548, 7801117, 9497012, 15602234, 31204468, 54607819, 109215638, 218431276]

約数ペア:

[(1, 218431276), (2, 109215638), (4, 54607819), (7, 31204468), (14, 15602234), (23, 9497012), (28, 7801117), (37, 5903548), (46, 4748506), (74, 2951774), (89, 2454284), (92, 2374253), (103, 2120692), (148, 1475887), (161, 1356716), (178, 1227142), (206, 1060346), (259, 843364), (322, 678358), (356, 613571), (412, 530173), (518, 421682), (623, 350612), (644, 339179), (721, 302956), (851, 256676), (1036, 210841), (1246, 175306), (1442, 151478), (1702, 128338), (2047, 106708), (2369, 92204), (2492, 87653), (2884, 75739), (3293, 66332), (3404, 64169), (3811, 57316), (4094, 53354), (4738, 46102), (5957, 36668), (6586, 33166), (7622, 28658), (8188, 26677), (9167, 23828), (9476, 23051), (11914, 18334), (13172, 16583), (14329, 15244)]