64657945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 24921575

約数列:

[1, 5, 11, 23, 55, 79, 115, 253, 395, 647, 869, 1265, 1817, 3235, 4345, 7117, 9085, 14881, 19987, 35585, 51113, 74405, 99935, 163691, 255565, 562243, 818455, 1175599, 2811215, 5877995, 12931589, 64657945]

約数ペア:

[(1, 64657945), (5, 12931589), (11, 5877995), (23, 2811215), (55, 1175599), (79, 818455), (115, 562243), (253, 255565), (395, 163691), (647, 99935), (869, 74405), (1265, 51113), (1817, 35585), (3235, 19987), (4345, 14881), (7117, 9085)]