2491555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 3304800

約数和(自身を除く): 813245

約数列:

[1, 5, 11, 55, 89, 445, 509, 979, 2545, 4895, 5599, 27995, 45301, 226505, 498311, 2491555]

約数ペア:

[(1, 2491555), (5, 498311), (11, 226505), (55, 45301), (89, 27995), (445, 5599), (509, 4895), (979, 2545)]