123219985

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1663}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 177315840

約数和(自身を除く): 54095855

約数列:

[1, 5, 7, 29, 35, 73, 145, 203, 365, 511, 1015, 1663, 2117, 2555, 8315, 10585, 11641, 14819, 48227, 58205, 74095, 121399, 241135, 337589, 606995, 849793, 1687945, 3520571, 4248965, 17602855, 24643997, 123219985]

約数ペア:

[(1, 123219985), (5, 24643997), (7, 17602855), (29, 4248965), (35, 3520571), (73, 1687945), (145, 849793), (203, 606995), (365, 337589), (511, 241135), (1015, 121399), (1663, 74095), (2117, 58205), (2555, 48227), (8315, 14819), (10585, 11641)]