28331849

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 36005760

約数和(自身を除く): 7673911

約数列:

[1, 7, 13, 49, 79, 91, 553, 563, 637, 1027, 3871, 3941, 7189, 7319, 27587, 44477, 50323, 51233, 311339, 358631, 578201, 2179373, 4047407, 28331849]

約数ペア:

[(1, 28331849), (7, 4047407), (13, 2179373), (49, 578201), (79, 358631), (91, 311339), (553, 51233), (563, 50323), (637, 44477), (1027, 27587), (3871, 7319), (3941, 7189)]