9866740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 22558032

約数和(自身を除く): 12691292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 277, 548, 554, 685, 1108, 1370, 1385, 1781, 2740, 2770, 3562, 3601, 5540, 7124, 7202, 8905, 14404, 17810, 18005, 35620, 36010, 37949, 72020, 75898, 151796, 189745, 379490, 493337, 758980, 986674, 1973348, 2466685, 4933370, 9866740]

約数ペア:

[(1, 9866740), (2, 4933370), (4, 2466685), (5, 1973348), (10, 986674), (13, 758980), (20, 493337), (26, 379490), (52, 189745), (65, 151796), (130, 75898), (137, 72020), (260, 37949), (274, 36010), (277, 35620), (548, 18005), (554, 17810), (685, 14404), (1108, 8905), (1370, 7202), (1385, 7124), (1781, 5540), (2740, 3601), (2770, 3562)]