78711664

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 156240000

約数和(自身を除く): 77528336

約数列:

[1, 2, 4, 8, 16, 59, 118, 199, 236, 398, 419, 472, 796, 838, 944, 1592, 1676, 3184, 3352, 6704, 11741, 23482, 24721, 46964, 49442, 83381, 93928, 98884, 166762, 187856, 197768, 333524, 395536, 667048, 1334096, 4919479, 9838958, 19677916, 39355832, 78711664]

約数ペア:

[(1, 78711664), (2, 39355832), (4, 19677916), (8, 9838958), (16, 4919479), (59, 1334096), (118, 667048), (199, 395536), (236, 333524), (398, 197768), (419, 187856), (472, 166762), (796, 98884), (838, 93928), (944, 83381), (1592, 49442), (1676, 46964), (3184, 24721), (3352, 23482), (6704, 11741)]