71765768

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 137640000

約数和(自身を除く): 65874232

約数列:

[1, 2, 4, 8, 61, 122, 199, 244, 398, 488, 739, 796, 1478, 1592, 2956, 5912, 12139, 24278, 45079, 48556, 90158, 97112, 147061, 180316, 294122, 360632, 588244, 1176488, 8970721, 17941442, 35882884, 71765768]

約数ペア:

[(1, 71765768), (2, 35882884), (4, 17941442), (8, 8970721), (61, 1176488), (122, 588244), (199, 360632), (244, 294122), (398, 180316), (488, 147061), (739, 97112), (796, 90158), (1478, 48556), (1592, 45079), (2956, 24278), (5912, 12139)]