145771376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{211877}}^1$

素因数の和:211928

約数の個数: 20

約数和(自身を含む): 289001592

約数和(自身を除く): 143230216

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 211877, 423754, 847508, 1695016, 3390032, 9110711, 18221422, 36442844, 72885688, 145771376]

約数ペア:

[(1, 145771376), (2, 72885688), (4, 36442844), (8, 18221422), (16, 9110711), (43, 3390032), (86, 1695016), (172, 847508), (344, 423754), (688, 211877)]