123959824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 248912640

約数和(自身を除く): 124952816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 491, 496, 509, 982, 1018, 1964, 2036, 3928, 4072, 7856, 8144, 15221, 15779, 30442, 31558, 60884, 63116, 121768, 126232, 243536, 249919, 252464, 499838, 999676, 1999352, 3998704, 7747489, 15494978, 30989956, 61979912, 123959824]

約数ペア:

[(1, 123959824), (2, 61979912), (4, 30989956), (8, 15494978), (16, 7747489), (31, 3998704), (62, 1999352), (124, 999676), (248, 499838), (491, 252464), (496, 249919), (509, 243536), (982, 126232), (1018, 121768), (1964, 63116), (2036, 60884), (3928, 31558), (4072, 30442), (7856, 15779), (8144, 15221)]