7400185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 10456992

約数和(自身を除く): 3056807

約数列:

[1, 5, 13, 17, 37, 65, 85, 181, 185, 221, 481, 629, 905, 1105, 2353, 2405, 3077, 3145, 6697, 8177, 11765, 15385, 33485, 40001, 40885, 87061, 113849, 200005, 435305, 569245, 1480037, 7400185]

約数ペア:

[(1, 7400185), (5, 1480037), (13, 569245), (17, 435305), (37, 200005), (65, 113849), (85, 87061), (181, 40885), (185, 40001), (221, 33485), (481, 15385), (629, 11765), (905, 8177), (1105, 6697), (2353, 3145), (2405, 3077)]