1661984

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 24

約数和(自身を含む): 3302208

約数和(自身を除く): 1640224

約数列:

[1, 2, 4, 8, 16, 32, 167, 311, 334, 622, 668, 1244, 1336, 2488, 2672, 4976, 5344, 9952, 51937, 103874, 207748, 415496, 830992, 1661984]

約数ペア:

[(1, 1661984), (2, 830992), (4, 415496), (8, 207748), (16, 103874), (32, 51937), (167, 9952), (311, 5344), (334, 4976), (622, 2672), (668, 2488), (1244, 1336)]