17489810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 34784640

約数和(自身を除く): 17294830

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 131, 158, 169, 262, 338, 395, 655, 790, 845, 1027, 1310, 1690, 1703, 2054, 3406, 5135, 8515, 10270, 10349, 13351, 17030, 20698, 22139, 26702, 44278, 51745, 66755, 103490, 110695, 133510, 134537, 221390, 269074, 672685, 1345370, 1748981, 3497962, 8744905, 17489810]

約数ペア:

[(1, 17489810), (2, 8744905), (5, 3497962), (10, 1748981), (13, 1345370), (26, 672685), (65, 269074), (79, 221390), (130, 134537), (131, 133510), (158, 110695), (169, 103490), (262, 66755), (338, 51745), (395, 44278), (655, 26702), (790, 22139), (845, 20698), (1027, 17030), (1310, 13351), (1690, 10349), (1703, 10270), (2054, 8515), (3406, 5135)]