28734251

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16619}}^1$

素因数の和:16658

約数の個数: 16

約数和(自身を含む): 37228800

約数和(自身を除く): 8494549

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16619, 116333, 216047, 315761, 1512329, 2210327, 4104893, 28734251]

約数ペア:

[(1, 28734251), (7, 4104893), (13, 2210327), (19, 1512329), (91, 315761), (133, 216047), (247, 116333), (1729, 16619)]