201657978008

素因数分解:

$2^3\times {\mathrm{18911}}^1\times {\mathrm{1332941}}^1$

素因数の和:1351858

約数の個数: 16

約数和(自身を含む): 378128986560

約数和(自身を除く): 176471008552

約数列:

[1, 2, 4, 8, 18911, 37822, 75644, 151288, 1332941, 2665882, 5331764, 10663528, 25207247251, 50414494502, 100828989004, 201657978008]

約数ペア:

[(1, 201657978008), (2, 100828989004), (4, 50414494502), (8, 25207247251), (18911, 10663528), (37822, 5331764), (75644, 2665882), (151288, 1332941)]