123961390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{26431}}^1$

素因数の和:26512

約数の個数: 32

約数和(自身を含む): 258822144

約数和(自身を除く): 134860754

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 26431, 52862, 132155, 185017, 264310, 370034, 925085, 1770877, 1850170, 3541754, 8854385, 12396139, 17708770, 24792278, 61980695, 123961390]

約数ペア:

[(1, 123961390), (2, 61980695), (5, 24792278), (7, 17708770), (10, 12396139), (14, 8854385), (35, 3541754), (67, 1850170), (70, 1770877), (134, 925085), (335, 370034), (469, 264310), (670, 185017), (938, 132155), (2345, 52862), (4690, 26431)]