25210915

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 32713920

約数和(自身を除く): 7503005

約数列:

[1, 5, 17, 73, 85, 239, 289, 365, 1195, 1241, 1445, 4063, 6205, 17447, 20315, 21097, 69071, 87235, 105485, 296599, 345355, 1482995, 5042183, 25210915]

約数ペア:

[(1, 25210915), (5, 5042183), (17, 1482995), (73, 345355), (85, 296599), (239, 105485), (289, 87235), (365, 69071), (1195, 21097), (1241, 20315), (1445, 17447), (4063, 6205)]