15391390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 32651424

約数和(自身を除く): 17260034

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 101, 202, 245, 311, 490, 505, 622, 707, 1010, 1414, 1555, 2177, 3110, 3535, 4354, 4949, 7070, 9898, 10885, 15239, 21770, 24745, 30478, 31411, 49490, 62822, 76195, 152390, 157055, 219877, 314110, 439754, 1099385, 1539139, 2198770, 3078278, 7695695, 15391390]

約数ペア:

[(1, 15391390), (2, 7695695), (5, 3078278), (7, 2198770), (10, 1539139), (14, 1099385), (35, 439754), (49, 314110), (70, 219877), (98, 157055), (101, 152390), (202, 76195), (245, 62822), (311, 49490), (490, 31411), (505, 30478), (622, 24745), (707, 21770), (1010, 15239), (1414, 10885), (1555, 9898), (2177, 7070), (3110, 4949), (3535, 4354)]