140891908

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{19979}}^1$

素因数の和:20067

約数の個数: 24

約数和(自身を含む): 258461280

約数和(自身を除く): 117569372

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 3526, 7052, 19979, 39958, 79916, 819139, 859097, 1638278, 1718194, 3276556, 3436388, 35222977, 70445954, 140891908]

約数ペア:

[(1, 140891908), (2, 70445954), (4, 35222977), (41, 3436388), (43, 3276556), (82, 1718194), (86, 1638278), (164, 859097), (172, 819139), (1763, 79916), (3526, 39958), (7052, 19979)]