289763975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4201}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 375154560

約数和(自身を除く): 85390585

約数列:

[1, 5, 25, 31, 89, 155, 445, 775, 2225, 2759, 4201, 13795, 21005, 68975, 105025, 130231, 373889, 651155, 1869445, 3255775, 9347225, 11590559, 57952795, 289763975]

約数ペア:

[(1, 289763975), (5, 57952795), (25, 11590559), (31, 9347225), (89, 3255775), (155, 1869445), (445, 651155), (775, 373889), (2225, 130231), (2759, 105025), (4201, 68975), (13795, 21005)]