20171228020015

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{2560517}}^1$

素因数の和:2560899

約数の個数: 32

約数和(自身を含む): 24883810384896

約数和(自身を除く): 4712582364881

約数列:

[1, 5, 73, 113, 191, 365, 565, 955, 8249, 13943, 21583, 41245, 69715, 107915, 1575559, 2560517, 7877795, 12802585, 186917741, 289338421, 489058747, 934588705, 1446692105, 2445293735, 21121704733, 35701288531, 55263638411, 105608523665, 178506442655, 276318192055, 4034245604003, 20171228020015]

約数ペア:

[(1, 20171228020015), (5, 4034245604003), (73, 276318192055), (113, 178506442655), (191, 105608523665), (365, 55263638411), (565, 35701288531), (955, 21121704733), (8249, 2445293735), (13943, 1446692105), (21583, 934588705), (41245, 489058747), (69715, 289338421), (107915, 186917741), (1575559, 12802585), (2560517, 7877795)]