642392008

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{563}}^1\times {\mathrm{739}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 1214517600

約数和(自身を除く): 572125592

約数列:

[1, 2, 4, 8, 193, 386, 563, 739, 772, 1126, 1478, 1544, 2252, 2956, 4504, 5912, 108659, 142627, 217318, 285254, 416057, 434636, 570508, 832114, 869272, 1141016, 1664228, 3328456, 80299001, 160598002, 321196004, 642392008]

約数ペア:

[(1, 642392008), (2, 321196004), (4, 160598002), (8, 80299001), (193, 3328456), (386, 1664228), (563, 1141016), (739, 869272), (772, 832114), (1126, 570508), (1478, 434636), (1544, 416057), (2252, 285254), (2956, 217318), (4504, 142627), (5912, 108659)]