28261324

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77641}}^1$

素因数の和:77665

約数の個数: 24

約数和(自身を含む): 60871328

約数和(自身を除く): 32610004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 77641, 155282, 310564, 543487, 1009333, 1086974, 2018666, 2173948, 4037332, 7065331, 14130662, 28261324]

約数ペア:

[(1, 28261324), (2, 14130662), (4, 7065331), (7, 4037332), (13, 2173948), (14, 2018666), (26, 1086974), (28, 1009333), (52, 543487), (91, 310564), (182, 155282), (364, 77641)]