42147755

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 56568960

約数和(自身を除く): 14421205

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 1609, 2015, 5239, 8045, 20917, 26195, 49879, 104585, 249395, 271921, 648427, 1359605, 3242135, 8429551, 42147755]

約数ペア:

[(1, 42147755), (5, 8429551), (13, 3242135), (31, 1359605), (65, 648427), (155, 271921), (169, 249395), (403, 104585), (845, 49879), (1609, 26195), (2015, 20917), (5239, 8045)]