2878505

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 4158720

約数和(自身を除く): 1280215

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 379, 1085, 1519, 1895, 2653, 7595, 11749, 13265, 18571, 58745, 82243, 92855, 411215, 575701, 2878505]

約数ペア:

[(1, 2878505), (5, 575701), (7, 411215), (31, 92855), (35, 82243), (49, 58745), (155, 18571), (217, 13265), (245, 11749), (379, 7595), (1085, 2653), (1519, 1895)]