321520888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{162713}}^1$

素因数の和:162751

約数の個数: 32

約数和(自身を含む): 683398800

約数和(自身を除く): 361877912

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 162713, 325426, 650852, 1301704, 2115269, 3091547, 4230538, 6183094, 8461076, 12366188, 16922152, 24732376, 40190111, 80380222, 160760444, 321520888]

約数ペア:

[(1, 321520888), (2, 160760444), (4, 80380222), (8, 40190111), (13, 24732376), (19, 16922152), (26, 12366188), (38, 8461076), (52, 6183094), (76, 4230538), (104, 3091547), (152, 2115269), (247, 1301704), (494, 650852), (988, 325426), (1976, 162713)]