31105698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 71500800

約数和(自身を除く): 40395102

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 139, 151, 247, 278, 302, 417, 453, 494, 741, 834, 906, 1482, 1807, 1963, 2641, 2869, 3614, 3926, 5282, 5421, 5738, 5889, 7923, 8607, 10842, 11778, 15846, 17214, 20989, 34333, 37297, 41978, 62967, 68666, 74594, 102999, 111891, 125934, 205998, 223782, 272857, 398791, 545714, 797582, 818571, 1196373, 1637142, 2392746, 5184283, 10368566, 15552849, 31105698]

約数ペア:

[(1, 31105698), (2, 15552849), (3, 10368566), (6, 5184283), (13, 2392746), (19, 1637142), (26, 1196373), (38, 818571), (39, 797582), (57, 545714), (78, 398791), (114, 272857), (139, 223782), (151, 205998), (247, 125934), (278, 111891), (302, 102999), (417, 74594), (453, 68666), (494, 62967), (741, 41978), (834, 37297), (906, 34333), (1482, 20989), (1807, 17214), (1963, 15846), (2641, 11778), (2869, 10842), (3614, 8607), (3926, 7923), (5282, 5889), (5421, 5738)]