216445580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{832483}}^1$

素因数の和:832505

約数の個数: 24

約数和(自身を含む): 489500592

約数和(自身を除く): 273055012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 832483, 1664966, 3329932, 4162415, 8324830, 10822279, 16649660, 21644558, 43289116, 54111395, 108222790, 216445580]

約数ペア:

[(1, 216445580), (2, 108222790), (4, 54111395), (5, 43289116), (10, 21644558), (13, 16649660), (20, 10822279), (26, 8324830), (52, 4162415), (65, 3329932), (130, 1664966), (260, 832483)]