389699107

素因数分解:

$7^4\times {\mathrm{101}}^1\times {\mathrm{1607}}^1$

素因数の和:1736

約数の個数: 20

約数和(自身を含む): 459408816

約数和(自身を除く): 69709709

約数列:

[1, 7, 49, 101, 343, 707, 1607, 2401, 4949, 11249, 34643, 78743, 162307, 242501, 551201, 1136149, 3858407, 7953043, 55671301, 389699107]

約数ペア:

[(1, 389699107), (7, 55671301), (49, 7953043), (101, 3858407), (343, 1136149), (707, 551201), (1607, 242501), (2401, 162307), (4949, 78743), (11249, 34643)]