331142

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 24

約数和(自身を含む): 601920

約数和(自身を除く): 270778

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 109, 217, 218, 434, 763, 1519, 1526, 3038, 3379, 5341, 6758, 10682, 23653, 47306, 165571, 331142]

約数ペア:

[(1, 331142), (2, 165571), (7, 47306), (14, 23653), (31, 10682), (49, 6758), (62, 5341), (98, 3379), (109, 3038), (217, 1526), (218, 1519), (434, 763)]