90421808

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{31223}}^1$

素因数の和:31412

約数の個数: 20

約数和(自身を含む): 176165808

約数和(自身を除く): 85744000

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 31223, 62446, 124892, 249784, 499568, 5651363, 11302726, 22605452, 45210904, 90421808]

約数ペア:

[(1, 90421808), (2, 45210904), (4, 22605452), (8, 11302726), (16, 5651363), (181, 499568), (362, 249784), (724, 124892), (1448, 62446), (2896, 31223)]