28440438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{364621}}^1$

素因数の和:364639

約数の個数: 16

約数和(自身を含む): 61256496

約数和(自身を除く): 32816058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 364621, 729242, 1093863, 2187726, 4740073, 9480146, 14220219, 28440438]

約数ペア:

[(1, 28440438), (2, 14220219), (3, 9480146), (6, 4740073), (13, 2187726), (26, 1093863), (39, 729242), (78, 364621)]