681832912

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{261439}}^1$

素因数の和:261610

約数の個数: 20

約数和(自身を含む): 1329160960

約数和(自身を除く): 647328048

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 261439, 522878, 1045756, 2091512, 4183024, 42614557, 85229114, 170458228, 340916456, 681832912]

約数ペア:

[(1, 681832912), (2, 340916456), (4, 170458228), (8, 85229114), (16, 42614557), (163, 4183024), (326, 2091512), (652, 1045756), (1304, 522878), (2608, 261439)]