51865782

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 63702858

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 131, 138, 151, 262, 302, 393, 437, 453, 786, 874, 906, 1311, 2489, 2622, 2869, 3013, 3473, 4978, 5738, 6026, 6946, 7467, 8607, 9039, 10419, 14934, 17214, 18078, 19781, 20838, 39562, 57247, 59343, 65987, 114494, 118686, 131974, 171741, 197961, 343482, 375839, 395922, 454963, 751678, 909926, 1127517, 1364889, 2255034, 2729778, 8644297, 17288594, 25932891, 51865782]

約数ペア:

[(1, 51865782), (2, 25932891), (3, 17288594), (6, 8644297), (19, 2729778), (23, 2255034), (38, 1364889), (46, 1127517), (57, 909926), (69, 751678), (114, 454963), (131, 395922), (138, 375839), (151, 343482), (262, 197961), (302, 171741), (393, 131974), (437, 118686), (453, 114494), (786, 65987), (874, 59343), (906, 57247), (1311, 39562), (2489, 20838), (2622, 19781), (2869, 18078), (3013, 17214), (3473, 14934), (4978, 10419), (5738, 9039), (6026, 8607), (6946, 7467)]