3999376

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{1381}}^1$

素因数の和:1570

約数の個数: 20

約数和(自身を含む): 7797244

約数和(自身を除く): 3797868

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1381, 1448, 2762, 2896, 5524, 11048, 22096, 249961, 499922, 999844, 1999688, 3999376]

約数ペア:

[(1, 3999376), (2, 1999688), (4, 999844), (8, 499922), (16, 249961), (181, 22096), (362, 11048), (724, 5524), (1381, 2896), (1448, 2762)]