255364239

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 392117760

約数和(自身を除く): 136753521

約数列:

[1, 3, 13, 23, 39, 61, 69, 169, 183, 299, 359, 507, 793, 897, 1077, 1403, 2379, 3887, 4209, 4667, 8257, 10309, 11661, 14001, 18239, 21899, 24771, 30927, 54717, 60671, 65697, 107341, 182013, 237107, 284687, 322023, 503677, 711321, 854061, 1395433, 1511031, 3700931, 4186299, 6547801, 11102793, 19643403, 85121413, 255364239]

約数ペア:

[(1, 255364239), (3, 85121413), (13, 19643403), (23, 11102793), (39, 6547801), (61, 4186299), (69, 3700931), (169, 1511031), (183, 1395433), (299, 854061), (359, 711321), (507, 503677), (793, 322023), (897, 284687), (1077, 237107), (1403, 182013), (2379, 107341), (3887, 65697), (4209, 60671), (4667, 54717), (8257, 30927), (10309, 24771), (11661, 21899), (14001, 18239)]