218707476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1401971}}^1$

素因数の和:1401991

約数の個数: 24

約数和(自身を含む): 549573024

約数和(自身を除く): 330865548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1401971, 2803942, 4205913, 5607884, 8411826, 16823652, 18225623, 36451246, 54676869, 72902492, 109353738, 218707476]

約数ペア:

[(1, 218707476), (2, 109353738), (3, 72902492), (4, 54676869), (6, 36451246), (12, 18225623), (13, 16823652), (26, 8411826), (39, 5607884), (52, 4205913), (78, 2803942), (156, 1401971)]