28309216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4043

約数の個数: 48

約数和(自身を含む): 63567504

約数和(自身を除く): 35258288

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 4003, 7072, 8006, 16012, 32024, 52039, 64048, 68051, 104078, 128096, 136102, 208156, 272204, 416312, 544408, 832624, 884663, 1088816, 1665248, 1769326, 2177632, 3538652, 7077304, 14154608, 28309216]

約数ペア:

[(1, 28309216), (2, 14154608), (4, 7077304), (8, 3538652), (13, 2177632), (16, 1769326), (17, 1665248), (26, 1088816), (32, 884663), (34, 832624), (52, 544408), (68, 416312), (104, 272204), (136, 208156), (208, 136102), (221, 128096), (272, 104078), (416, 68051), (442, 64048), (544, 52039), (884, 32024), (1768, 16012), (3536, 8006), (4003, 7072)]