129281656

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74471}}^1$

素因数の和:74515

約数の個数: 32

約数和(自身を含む): 285972480

約数和(自身を除く): 156690824

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 74471, 148942, 297884, 521297, 595768, 1042594, 2085188, 2308601, 4170376, 4617202, 9234404, 16160207, 18468808, 32320414, 64640828, 129281656]

約数ペア:

[(1, 129281656), (2, 64640828), (4, 32320414), (7, 18468808), (8, 16160207), (14, 9234404), (28, 4617202), (31, 4170376), (56, 2308601), (62, 2085188), (124, 1042594), (217, 595768), (248, 521297), (434, 297884), (868, 148942), (1736, 74471)]