71989595

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4261}}^1$

素因数の和:4406

約数の個数: 16

約数和(自身を含む): 90013440

約数和(自身を除く): 18023845

約数列:

[1, 5, 31, 109, 155, 545, 3379, 4261, 16895, 21305, 132091, 464449, 660455, 2322245, 14397919, 71989595]

約数ペア:

[(1, 71989595), (5, 14397919), (31, 2322245), (109, 660455), (155, 464449), (545, 132091), (3379, 21305), (4261, 16895)]