31863916

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 70153776

約数和(自身を除く): 38289860

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 73, 98, 119, 131, 146, 196, 238, 262, 292, 476, 511, 524, 833, 917, 1022, 1241, 1666, 1834, 2044, 2227, 2482, 3332, 3577, 3668, 4454, 4964, 6419, 7154, 8687, 8908, 9563, 12838, 14308, 15589, 17374, 19126, 25676, 31178, 34748, 38252, 60809, 62356, 66941, 109123, 121618, 133882, 162571, 218246, 243236, 267764, 325142, 436492, 468587, 650284, 937174, 1137997, 1874348, 2275994, 4551988, 7965979, 15931958, 31863916]

約数ペア:

[(1, 31863916), (2, 15931958), (4, 7965979), (7, 4551988), (14, 2275994), (17, 1874348), (28, 1137997), (34, 937174), (49, 650284), (68, 468587), (73, 436492), (98, 325142), (119, 267764), (131, 243236), (146, 218246), (196, 162571), (238, 133882), (262, 121618), (292, 109123), (476, 66941), (511, 62356), (524, 60809), (833, 38252), (917, 34748), (1022, 31178), (1241, 25676), (1666, 19126), (1834, 17374), (2044, 15589), (2227, 14308), (2482, 12838), (3332, 9563), (3577, 8908), (3668, 8687), (4454, 7154), (4964, 6419)]