64942975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3727}}^1$

素因数の和:3795

約数の個数: 24

約数和(自身を含む): 87369408

約数和(自身を除く): 22426433

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 3485, 3727, 17425, 18635, 63359, 93175, 152807, 316795, 764035, 1583975, 2597719, 3820175, 12988595, 64942975]

約数ペア:

[(1, 64942975), (5, 12988595), (17, 3820175), (25, 2597719), (41, 1583975), (85, 764035), (205, 316795), (425, 152807), (697, 93175), (1025, 63359), (3485, 18635), (3727, 17425)]