13490425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 36

約数和(自身を含む): 18879744

約数和(自身を除く): 5389319

約数列:

[1, 5, 13, 25, 31, 65, 103, 155, 169, 325, 403, 515, 775, 845, 1339, 2015, 2575, 3193, 4225, 5239, 6695, 10075, 15965, 17407, 26195, 33475, 41509, 79825, 87035, 130975, 207545, 435175, 539617, 1037725, 2698085, 13490425]

約数ペア:

[(1, 13490425), (5, 2698085), (13, 1037725), (25, 539617), (31, 435175), (65, 207545), (103, 130975), (155, 87035), (169, 79825), (325, 41509), (403, 33475), (515, 26195), (775, 17407), (845, 15965), (1339, 10075), (2015, 6695), (2575, 5239), (3193, 4225)]