15205560419

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{1523}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 18133893120

約数和(自身を除く): 2928332701

約数列:

[1, 7, 31, 139, 217, 331, 973, 1523, 2317, 4309, 10261, 10661, 30163, 46009, 47213, 71827, 211697, 322063, 330491, 504113, 1426279, 1481879, 3528791, 6562607, 9983953, 15627503, 45938249, 70071707, 109392521, 490501949, 2172222917, 15205560419]

約数ペア:

[(1, 15205560419), (7, 2172222917), (31, 490501949), (139, 109392521), (217, 70071707), (331, 45938249), (973, 15627503), (1523, 9983953), (2317, 6562607), (4309, 3528791), (10261, 1481879), (10661, 1426279), (30163, 504113), (46009, 330491), (47213, 322063), (71827, 211697)]