2720068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 5475652

約数和(自身を除く): 2755584

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 181, 221, 289, 362, 442, 578, 724, 884, 1156, 2353, 3077, 3757, 4706, 6154, 7514, 9412, 12308, 15028, 40001, 52309, 80002, 104618, 160004, 209236, 680017, 1360034, 2720068]

約数ペア:

[(1, 2720068), (2, 1360034), (4, 680017), (13, 209236), (17, 160004), (26, 104618), (34, 80002), (52, 52309), (68, 40001), (181, 15028), (221, 12308), (289, 9412), (362, 7514), (442, 6154), (578, 4706), (724, 3757), (884, 3077), (1156, 2353)]