31851078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 74758464

約数和(自身を除く): 42907386

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 131, 147, 262, 294, 393, 786, 827, 917, 1654, 1834, 2481, 2751, 4962, 5502, 5789, 6419, 11578, 12838, 17367, 19257, 34734, 38514, 40523, 81046, 108337, 121569, 216674, 243138, 325011, 650022, 758359, 1516718, 2275077, 4550154, 5308513, 10617026, 15925539, 31851078]

約数ペア:

[(1, 31851078), (2, 15925539), (3, 10617026), (6, 5308513), (7, 4550154), (14, 2275077), (21, 1516718), (42, 758359), (49, 650022), (98, 325011), (131, 243138), (147, 216674), (262, 121569), (294, 108337), (393, 81046), (786, 40523), (827, 38514), (917, 34734), (1654, 19257), (1834, 17367), (2481, 12838), (2751, 11578), (4962, 6419), (5502, 5789)]