221657124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1420879}}^1$

素因数の和:1420899

約数の個数: 24

約数和(自身を含む): 556984960

約数和(自身を除く): 335327836

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1420879, 2841758, 4262637, 5683516, 8525274, 17050548, 18471427, 36942854, 55414281, 73885708, 110828562, 221657124]

約数ペア:

[(1, 221657124), (2, 110828562), (3, 73885708), (4, 55414281), (6, 36942854), (12, 18471427), (13, 17050548), (26, 8525274), (39, 5683516), (52, 4262637), (78, 2841758), (156, 1420879)]