1966615

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 2872800

約数和(自身を除く): 906185

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 349, 805, 1127, 1745, 2443, 5635, 8027, 12215, 17101, 40135, 56189, 85505, 280945, 393323, 1966615]

約数ペア:

[(1, 1966615), (5, 393323), (7, 280945), (23, 85505), (35, 56189), (49, 40135), (115, 17101), (161, 12215), (245, 8027), (349, 5635), (805, 2443), (1127, 1745)]