131139528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{420319}}^1$

素因数の和:420341

約数の個数: 32

約数和(自身を含む): 353068800

約数和(自身を除く): 221929272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 420319, 840638, 1260957, 1681276, 2521914, 3362552, 5043828, 5464147, 10087656, 10928294, 16392441, 21856588, 32784882, 43713176, 65569764, 131139528]

約数ペア:

[(1, 131139528), (2, 65569764), (3, 43713176), (4, 32784882), (6, 21856588), (8, 16392441), (12, 10928294), (13, 10087656), (24, 5464147), (26, 5043828), (39, 3362552), (52, 2521914), (78, 1681276), (104, 1260957), (156, 840638), (312, 420319)]