4256265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 7800192

約数和(自身を除く): 3543927

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 73, 115, 169, 195, 219, 299, 345, 365, 507, 845, 897, 949, 1095, 1495, 1679, 2535, 2847, 3887, 4485, 4745, 5037, 8395, 11661, 12337, 14235, 19435, 21827, 25185, 37011, 58305, 61685, 65481, 109135, 185055, 283751, 327405, 851253, 1418755, 4256265]

約数ペア:

[(1, 4256265), (3, 1418755), (5, 851253), (13, 327405), (15, 283751), (23, 185055), (39, 109135), (65, 65481), (69, 61685), (73, 58305), (115, 37011), (169, 25185), (195, 21827), (219, 19435), (299, 14235), (345, 12337), (365, 11661), (507, 8395), (845, 5037), (897, 4745), (949, 4485), (1095, 3887), (1495, 2847), (1679, 2535)]