131227340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211657}}^1$

素因数の和:211697

約数の個数: 24

約数和(自身を含む): 284468352

約数和(自身を除く): 153241012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 211657, 423314, 846628, 1058285, 2116570, 4233140, 6561367, 13122734, 26245468, 32806835, 65613670, 131227340]

約数ペア:

[(1, 131227340), (2, 65613670), (4, 32806835), (5, 26245468), (10, 13122734), (20, 6561367), (31, 4233140), (62, 2116570), (124, 1058285), (155, 846628), (310, 423314), (620, 211657)]