66891385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{2477}}^1$

素因数の和:2984

約数の個数: 16

約数和(自身を含む): 87780672

約数和(自身を除く): 20889287

約数列:

[1, 5, 11, 55, 491, 2455, 2477, 5401, 12385, 27005, 27247, 136235, 1216207, 6081035, 13378277, 66891385]

約数ペア:

[(1, 66891385), (5, 13378277), (11, 6081035), (55, 1216207), (491, 136235), (2455, 27247), (2477, 27005), (5401, 12385)]