40857678

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 90994176

約数和(自身を除く): 50136498

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 127, 183, 254, 293, 366, 381, 549, 586, 762, 879, 1098, 1143, 1758, 2286, 2637, 5274, 7747, 15494, 17873, 23241, 35746, 37211, 46482, 53619, 69723, 74422, 107238, 111633, 139446, 160857, 223266, 321714, 334899, 669798, 2269871, 4539742, 6809613, 13619226, 20428839, 40857678]

約数ペア:

[(1, 40857678), (2, 20428839), (3, 13619226), (6, 6809613), (9, 4539742), (18, 2269871), (61, 669798), (122, 334899), (127, 321714), (183, 223266), (254, 160857), (293, 139446), (366, 111633), (381, 107238), (549, 74422), (586, 69723), (762, 53619), (879, 46482), (1098, 37211), (1143, 35746), (1758, 23241), (2286, 17873), (2637, 15494), (5274, 7747)]