138601255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 194128704

約数和(自身を除く): 55527449

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 2795, 2917, 3655, 9503, 14585, 37921, 47515, 49589, 125431, 189605, 247945, 627155, 644657, 1630603, 2132327, 3223285, 8153015, 10661635, 27720251, 138601255]

約数ペア:

[(1, 138601255), (5, 27720251), (13, 10661635), (17, 8153015), (43, 3223285), (65, 2132327), (85, 1630603), (215, 644657), (221, 627155), (559, 247945), (731, 189605), (1105, 125431), (2795, 49589), (2917, 47515), (3655, 37921), (9503, 14585)]