248571485

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 317952000

約数和(自身を除く): 69380515

約数列:

[1, 5, 31, 47, 149, 155, 229, 235, 745, 1145, 1457, 4619, 7003, 7099, 7285, 10763, 23095, 34121, 35015, 35495, 53815, 170605, 217093, 333653, 1057751, 1085465, 1603687, 1668265, 5288755, 8018435, 49714297, 248571485]

約数ペア:

[(1, 248571485), (5, 49714297), (31, 8018435), (47, 5288755), (149, 1668265), (155, 1603687), (229, 1085465), (235, 1057751), (745, 333653), (1145, 217093), (1457, 170605), (4619, 53815), (7003, 35495), (7099, 35015), (7285, 34121), (10763, 23095)]