128216808

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{7451}}^1$

素因数の和:7702

約数の個数: 48

約数和(自身を含む): 348753600

約数和(自身を除く): 220536792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1434, 1912, 2151, 2868, 4302, 5736, 7451, 8604, 14902, 17208, 22353, 29804, 44706, 59608, 67059, 89412, 134118, 178824, 268236, 536472, 1780789, 3561578, 5342367, 7123156, 10684734, 14246312, 16027101, 21369468, 32054202, 42738936, 64108404, 128216808]

約数ペア:

[(1, 128216808), (2, 64108404), (3, 42738936), (4, 32054202), (6, 21369468), (8, 16027101), (9, 14246312), (12, 10684734), (18, 7123156), (24, 5342367), (36, 3561578), (72, 1780789), (239, 536472), (478, 268236), (717, 178824), (956, 134118), (1434, 89412), (1912, 67059), (2151, 59608), (2868, 44706), (4302, 29804), (5736, 22353), (7451, 17208), (8604, 14902)]