38153815

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 53919360

約数和(自身を除く): 15765545

約数列:

[1, 5, 7, 35, 73, 109, 137, 365, 511, 545, 685, 763, 959, 2555, 3815, 4795, 7957, 10001, 14933, 39785, 50005, 55699, 70007, 74665, 104531, 278495, 350035, 522655, 1090109, 5450545, 7630763, 38153815]

約数ペア:

[(1, 38153815), (5, 7630763), (7, 5450545), (35, 1090109), (73, 522655), (109, 350035), (137, 278495), (365, 104531), (511, 74665), (545, 70007), (685, 55699), (763, 50005), (959, 39785), (2555, 14933), (3815, 10001), (4795, 7957)]