139958077

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{947}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 164178432

約数和(自身を除く): 24220355

約数列:

[1, 7, 43, 301, 491, 947, 3437, 6629, 21113, 40721, 147791, 285047, 464977, 3254839, 19994011, 139958077]

約数ペア:

[(1, 139958077), (7, 19994011), (43, 3254839), (301, 464977), (491, 285047), (947, 147791), (3437, 40721), (6629, 21113)]