1157890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1397

約数の個数: 16

約数和(自身を含む): 2109240

約数和(自身を除く): 951350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1301, 2602, 6505, 13010, 115789, 231578, 578945, 1157890]

約数ペア:

[(1, 1157890), (2, 578945), (5, 231578), (10, 115789), (89, 13010), (178, 6505), (445, 2602), (890, 1301)]