643832062

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{70891}}^1$

素因数の和:71151

約数の個数: 16

約数和(自身を含む): 1020844800

約数和(自身を除く): 377012738

約数列:

[1, 2, 19, 38, 239, 478, 4541, 9082, 70891, 141782, 1346929, 2693858, 16942949, 33885898, 321916031, 643832062]

約数ペア:

[(1, 643832062), (2, 321916031), (19, 33885898), (38, 16942949), (239, 2693858), (478, 1346929), (4541, 141782), (9082, 70891)]