81481392

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18253}}^1$

素因数の和:18298

約数の個数: 60

約数和(自身を含む): 235403584

約数和(自身を除く): 153922192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 18253, 36506, 54759, 73012, 109518, 146024, 164277, 219036, 292048, 328554, 438072, 565843, 657108, 876144, 1131686, 1314216, 1697529, 2263372, 2628432, 3395058, 4526744, 5092587, 6790116, 9053488, 10185174, 13580232, 20370348, 27160464, 40740696, 81481392]

約数ペア:

[(1, 81481392), (2, 40740696), (3, 27160464), (4, 20370348), (6, 13580232), (8, 10185174), (9, 9053488), (12, 6790116), (16, 5092587), (18, 4526744), (24, 3395058), (31, 2628432), (36, 2263372), (48, 1697529), (62, 1314216), (72, 1131686), (93, 876144), (124, 657108), (144, 565843), (186, 438072), (248, 328554), (279, 292048), (372, 219036), (496, 164277), (558, 146024), (744, 109518), (1116, 73012), (1488, 54759), (2232, 36506), (4464, 18253)]