399099681356

素因数分解:

$2^2\times {\mathrm{659}}^1\times {\mathrm{151403521}}^1$

素因数の和:151404184

約数の個数: 12

約数和(自身を含む): 699484271640

約数和(自身を除く): 300384590284

約数列:

[1, 2, 4, 659, 1318, 2636, 151403521, 302807042, 605614084, 99774920339, 199549840678, 399099681356]

約数ペア:

[(1, 399099681356), (2, 199549840678), (4, 99774920339), (659, 605614084), (1318, 302807042), (2636, 151403521)]