638534632

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{359}}^1\times {\mathrm{997}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 1207180800

約数和(自身を除く): 568646168

約数列:

[1, 2, 4, 8, 223, 359, 446, 718, 892, 997, 1436, 1784, 1994, 2872, 3988, 7976, 80057, 160114, 222331, 320228, 357923, 444662, 640456, 715846, 889324, 1431692, 1778648, 2863384, 79816829, 159633658, 319267316, 638534632]

約数ペア:

[(1, 638534632), (2, 319267316), (4, 159633658), (8, 79816829), (223, 2863384), (359, 1778648), (446, 1431692), (718, 889324), (892, 715846), (997, 640456), (1436, 444662), (1784, 357923), (1994, 320228), (2872, 222331), (3988, 160114), (7976, 80057)]