201638456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{1223}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 389305440

約数和(自身を除く): 187666984

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 557, 1114, 1223, 2228, 2446, 4456, 4892, 9784, 20609, 41218, 45251, 82436, 90502, 164872, 181004, 362008, 681211, 1362422, 2724844, 5449688, 25204807, 50409614, 100819228, 201638456]

約数ペア:

[(1, 201638456), (2, 100819228), (4, 50409614), (8, 25204807), (37, 5449688), (74, 2724844), (148, 1362422), (296, 681211), (557, 362008), (1114, 181004), (1223, 164872), (2228, 90502), (2446, 82436), (4456, 45251), (4892, 41218), (9784, 20609)]