28556437

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 35838720

約数和(自身を除く): 7282283

約数列:

[1, 7, 13, 91, 101, 169, 239, 707, 1183, 1313, 1673, 3107, 9191, 17069, 21749, 24139, 40391, 119483, 168973, 282737, 313807, 2196649, 4079491, 28556437]

約数ペア:

[(1, 28556437), (7, 4079491), (13, 2196649), (91, 313807), (101, 282737), (169, 168973), (239, 119483), (707, 40391), (1183, 24139), (1313, 21749), (1673, 17069), (3107, 9191)]