63639745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31583}}^1$

素因数の和:31632

約数の個数: 16

約数和(自身を含む): 84897792

約数和(自身を除く): 21258047

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 31583, 157915, 410579, 979073, 2052895, 4895365, 12727949, 63639745]

約数ペア:

[(1, 63639745), (5, 12727949), (13, 4895365), (31, 2052895), (65, 979073), (155, 410579), (403, 157915), (2015, 31583)]