15478775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 20925744

約数和(自身を除く): 5446969

約数列:

[1, 5, 13, 25, 65, 97, 325, 485, 491, 1261, 2425, 2455, 6305, 6383, 12275, 31525, 31915, 47627, 159575, 238135, 619151, 1190675, 3095755, 15478775]

約数ペア:

[(1, 15478775), (5, 3095755), (13, 1190675), (25, 619151), (65, 238135), (97, 159575), (325, 47627), (485, 31915), (491, 31525), (1261, 12275), (2425, 6383), (2455, 6305)]