138897502

素因数分解:

$2^1\times {\mathrm{47}}^2\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 24

約数和(自身を含む): 215317800

約数和(自身を除く): 76420298

約数列:

[1, 2, 47, 94, 149, 211, 298, 422, 2209, 4418, 7003, 9917, 14006, 19834, 31439, 62878, 329141, 466099, 658282, 932198, 1477633, 2955266, 69448751, 138897502]

約数ペア:

[(1, 138897502), (2, 69448751), (47, 2955266), (94, 1477633), (149, 932198), (211, 658282), (298, 466099), (422, 329141), (2209, 62878), (4418, 31439), (7003, 19834), (9917, 14006)]