64876864

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{77977}}^1$

素因数の和:78002

約数の個数: 28

約数和(自身を含む): 138644884

約数和(自身を除く): 73768020

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 77977, 155954, 311908, 623816, 1013701, 1247632, 2027402, 2495264, 4054804, 4990528, 8109608, 16219216, 32438432, 64876864]

約数ペア:

[(1, 64876864), (2, 32438432), (4, 16219216), (8, 8109608), (13, 4990528), (16, 4054804), (26, 2495264), (32, 2027402), (52, 1247632), (64, 1013701), (104, 623816), (208, 311908), (416, 155954), (832, 77977)]