11970125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 16308864

約数和(自身を除く): 4338739

約数列:

[1, 5, 17, 25, 43, 85, 125, 131, 215, 425, 655, 731, 1075, 2125, 2227, 3275, 3655, 5375, 5633, 11135, 16375, 18275, 28165, 55675, 91375, 95761, 140825, 278375, 478805, 704125, 2394025, 11970125]

約数ペア:

[(1, 11970125), (5, 2394025), (17, 704125), (25, 478805), (43, 278375), (85, 140825), (125, 95761), (131, 91375), (215, 55675), (425, 28165), (655, 18275), (731, 16375), (1075, 11135), (2125, 5633), (2227, 5375), (3275, 3655)]