289122239

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 350355456

約数和(自身を除く): 61233217

約数列:

[1, 7, 43, 47, 107, 191, 301, 329, 749, 1337, 2021, 4601, 5029, 8213, 8977, 14147, 20437, 32207, 35203, 57491, 62839, 143059, 216247, 386011, 878791, 960539, 1513729, 2702077, 6151537, 6723773, 41303177, 289122239]

約数ペア:

[(1, 289122239), (7, 41303177), (43, 6723773), (47, 6151537), (107, 2702077), (191, 1513729), (301, 960539), (329, 878791), (749, 386011), (1337, 216247), (2021, 143059), (4601, 62839), (5029, 57491), (8213, 35203), (8977, 32207), (14147, 20437)]