2609308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 5227320

約数和(自身を除く): 2618012

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 247, 278, 361, 494, 556, 722, 988, 1444, 1807, 2641, 3614, 4693, 5282, 7228, 9386, 10564, 18772, 34333, 50179, 68666, 100358, 137332, 200716, 652327, 1304654, 2609308]

約数ペア:

[(1, 2609308), (2, 1304654), (4, 652327), (13, 200716), (19, 137332), (26, 100358), (38, 68666), (52, 50179), (76, 34333), (139, 18772), (247, 10564), (278, 9386), (361, 7228), (494, 5282), (556, 4693), (722, 3614), (988, 2641), (1444, 1807)]