631328

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 24

約数和(自身を含む): 1261260

約数和(自身を除く): 629932

約数列:

[1, 2, 4, 8, 16, 32, 109, 181, 218, 362, 436, 724, 872, 1448, 1744, 2896, 3488, 5792, 19729, 39458, 78916, 157832, 315664, 631328]

約数ペア:

[(1, 631328), (2, 315664), (4, 157832), (8, 78916), (16, 39458), (32, 19729), (109, 5792), (181, 3488), (218, 2896), (362, 1744), (436, 1448), (724, 872)]