987996955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{4091}}^1\times {\mathrm{4391}}^1$

素因数の和:8498

約数の個数: 16

約数和(自身を含む): 1293988608

約数和(自身を除く): 305991653

約数列:

[1, 5, 11, 55, 4091, 4391, 20455, 21955, 45001, 48301, 225005, 241505, 17963581, 89817905, 197599391, 987996955]

約数ペア:

[(1, 987996955), (5, 197599391), (11, 89817905), (55, 17963581), (4091, 241505), (4391, 225005), (20455, 48301), (21955, 45001)]