402544

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:328

約数の個数: 20

約数和(自身を含む): 789880

約数和(自身を除く): 387336

約数列:

[1, 2, 4, 8, 16, 139, 181, 278, 362, 556, 724, 1112, 1448, 2224, 2896, 25159, 50318, 100636, 201272, 402544]

約数ペア:

[(1, 402544), (2, 201272), (4, 100636), (8, 50318), (16, 25159), (139, 2896), (181, 2224), (278, 1448), (362, 1112), (556, 724)]