28775110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 64576512

約数和(自身を除く): 35801402

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 103, 130, 182, 206, 307, 455, 515, 614, 721, 910, 1030, 1339, 1442, 1535, 2149, 2678, 3070, 3605, 3991, 4298, 6695, 7210, 7982, 9373, 10745, 13390, 18746, 19955, 21490, 27937, 31621, 39910, 46865, 55874, 63242, 93730, 139685, 158105, 221347, 279370, 316210, 411073, 442694, 822146, 1106735, 2055365, 2213470, 2877511, 4110730, 5755022, 14387555, 28775110]

約数ペア:

[(1, 28775110), (2, 14387555), (5, 5755022), (7, 4110730), (10, 2877511), (13, 2213470), (14, 2055365), (26, 1106735), (35, 822146), (65, 442694), (70, 411073), (91, 316210), (103, 279370), (130, 221347), (182, 158105), (206, 139685), (307, 93730), (455, 63242), (515, 55874), (614, 46865), (721, 39910), (910, 31621), (1030, 27937), (1339, 21490), (1442, 19955), (1535, 18746), (2149, 13390), (2678, 10745), (3070, 9373), (3605, 7982), (3991, 7210), (4298, 6695)]