28804568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2689}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 58749600

約数和(自身を除く): 29945032

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 2689, 5356, 5378, 10712, 10756, 21512, 34957, 69914, 139828, 276967, 279656, 553934, 1107868, 2215736, 3600571, 7201142, 14402284, 28804568]

約数ペア:

[(1, 28804568), (2, 14402284), (4, 7201142), (8, 3600571), (13, 2215736), (26, 1107868), (52, 553934), (103, 279656), (104, 276967), (206, 139828), (412, 69914), (824, 34957), (1339, 21512), (2678, 10756), (2689, 10712), (5356, 5378)]