31812110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 64120896

約数和(自身を除く): 32308786

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 305, 431, 605, 610, 671, 862, 1210, 1342, 2155, 3355, 4310, 4741, 6710, 7381, 9482, 14762, 23705, 26291, 36905, 47410, 52151, 52582, 73810, 104302, 131455, 260755, 262910, 289201, 521510, 578402, 1446005, 2892010, 3181211, 6362422, 15906055, 31812110]

約数ペア:

[(1, 31812110), (2, 15906055), (5, 6362422), (10, 3181211), (11, 2892010), (22, 1446005), (55, 578402), (61, 521510), (110, 289201), (121, 262910), (122, 260755), (242, 131455), (305, 104302), (431, 73810), (605, 52582), (610, 52151), (671, 47410), (862, 36905), (1210, 26291), (1342, 23705), (2155, 14762), (3355, 9482), (4310, 7381), (4741, 6710)]