198031390

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151169}}^1$

素因数の和:151307

約数の個数: 16

約数和(自身を含む): 359179920

約数和(自身を除く): 161148530

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 151169, 302338, 755845, 1511690, 19803139, 39606278, 99015695, 198031390]

約数ペア:

[(1, 198031390), (2, 99015695), (5, 39606278), (10, 19803139), (131, 1511690), (262, 755845), (655, 302338), (1310, 151169)]