72783505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1171}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 90459648

約数和(自身を除く): 17676143

約数列:

[1, 5, 31, 155, 401, 1171, 2005, 5855, 12431, 36301, 62155, 181505, 469571, 2347855, 14556701, 72783505]

約数ペア:

[(1, 72783505), (5, 14556701), (31, 2347855), (155, 469571), (401, 181505), (1171, 62155), (2005, 36301), (5855, 12431)]