221255425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12107}}^1$

素因数の和:12177

約数の個数: 24

約数和(自身を含む): 297275616

約数和(自身を除く): 76020191

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 12107, 18275, 60535, 205819, 302675, 520601, 1029095, 2603005, 5145475, 8850217, 13015025, 44251085, 221255425]

約数ペア:

[(1, 221255425), (5, 44251085), (17, 13015025), (25, 8850217), (43, 5145475), (85, 2603005), (215, 1029095), (425, 520601), (731, 302675), (1075, 205819), (3655, 60535), (12107, 18275)]