127931978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 209879040

約数和(自身を除く): 81947062

約数列:

[1, 2, 19, 31, 38, 62, 223, 446, 487, 589, 974, 1178, 4237, 6913, 8474, 9253, 13826, 15097, 18506, 30194, 108601, 131347, 217202, 262694, 286843, 573686, 2063419, 3366631, 4126838, 6733262, 63965989, 127931978]

約数ペア:

[(1, 127931978), (2, 63965989), (19, 6733262), (31, 4126838), (38, 3366631), (62, 2063419), (223, 573686), (446, 286843), (487, 262694), (589, 217202), (974, 131347), (1178, 108601), (4237, 30194), (6913, 18506), (8474, 15097), (9253, 13826)]