13974025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 20554240

約数和(自身を除く): 6580215

約数列:

[1, 5, 13, 19, 25, 31, 65, 73, 95, 155, 247, 325, 365, 403, 475, 589, 775, 949, 1235, 1387, 1825, 2015, 2263, 2945, 4745, 6175, 6935, 7657, 10075, 11315, 14725, 18031, 23725, 29419, 34675, 38285, 42997, 56575, 90155, 147095, 191425, 214985, 450775, 558961, 735475, 1074925, 2794805, 13974025]

約数ペア:

[(1, 13974025), (5, 2794805), (13, 1074925), (19, 735475), (25, 558961), (31, 450775), (65, 214985), (73, 191425), (95, 147095), (155, 90155), (247, 56575), (325, 42997), (365, 38285), (403, 34675), (475, 29419), (589, 23725), (775, 18031), (949, 14725), (1235, 11315), (1387, 10075), (1825, 7657), (2015, 6935), (2263, 6175), (2945, 4745)]