28656368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137771}}^1$

素因数の和:137792

約数の個数: 20

約数和(自身を含む): 59793048

約数和(自身を除く): 31136680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137771, 275542, 551084, 1102168, 1791023, 2204336, 3582046, 7164092, 14328184, 28656368]

約数ペア:

[(1, 28656368), (2, 14328184), (4, 7164092), (8, 3582046), (13, 2204336), (16, 1791023), (26, 1102168), (52, 551084), (104, 275542), (208, 137771)]