27988505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3407}}^1$

素因数の和:3496

約数の個数: 16

約数和(自身を含む): 35334144

約数和(自身を除く): 7345639

約数列:

[1, 5, 31, 53, 155, 265, 1643, 3407, 8215, 17035, 105617, 180571, 528085, 902855, 5597701, 27988505]

約数ペア:

[(1, 27988505), (5, 5597701), (31, 902855), (53, 528085), (155, 180571), (265, 105617), (1643, 17035), (3407, 8215)]