138971528

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3181}}^1$

素因数の和:3357

約数の個数: 32

約数和(自身を含む): 268815360

約数和(自身を除く): 129843832

約数列:

[1, 2, 4, 8, 43, 86, 127, 172, 254, 344, 508, 1016, 3181, 5461, 6362, 10922, 12724, 21844, 25448, 43688, 136783, 273566, 403987, 547132, 807974, 1094264, 1615948, 3231896, 17371441, 34742882, 69485764, 138971528]

約数ペア:

[(1, 138971528), (2, 69485764), (4, 34742882), (8, 17371441), (43, 3231896), (86, 1615948), (127, 1094264), (172, 807974), (254, 547132), (344, 403987), (508, 273566), (1016, 136783), (3181, 43688), (5461, 25448), (6362, 21844), (10922, 12724)]