81380836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{14419}}^1$

素因数の和:14523

約数の個数: 24

約数和(自身を含む): 152621280

約数和(自身を除く): 71240444

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 332, 1411, 2822, 5644, 14419, 28838, 57676, 245123, 490246, 980492, 1196777, 2393554, 4787108, 20345209, 40690418, 81380836]

約数ペア:

[(1, 81380836), (2, 40690418), (4, 20345209), (17, 4787108), (34, 2393554), (68, 1196777), (83, 980492), (166, 490246), (332, 245123), (1411, 57676), (2822, 28838), (5644, 14419)]