90245778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{2148709}}^1$

素因数の和:2148721

約数の個数: 16

約数和(自身を含む): 206276160

約数和(自身を除く): 116030382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 2148709, 4297418, 6446127, 12892254, 15040963, 30081926, 45122889, 90245778]

約数ペア:

[(1, 90245778), (2, 45122889), (3, 30081926), (6, 15040963), (7, 12892254), (14, 6446127), (21, 4297418), (42, 2148709)]