80540278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23291}}^1$

素因数の和:23332

約数の個数: 32

約数和(自身を含む): 156522240

約数和(自身を除く): 75981962

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 23291, 46582, 163037, 302783, 326074, 442529, 605566, 885058, 2119481, 3097703, 4238962, 5752877, 6195406, 11505754, 40270139, 80540278]

約数ペア:

[(1, 80540278), (2, 40270139), (7, 11505754), (13, 6195406), (14, 5752877), (19, 4238962), (26, 3097703), (38, 2119481), (91, 885058), (133, 605566), (182, 442529), (247, 326074), (266, 302783), (494, 163037), (1729, 46582), (3458, 23291)]