128027185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1307}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 181948032

約数和(自身を除く): 53920847

約数列:

[1, 5, 11, 13, 55, 65, 137, 143, 685, 715, 1307, 1507, 1781, 6535, 7535, 8905, 14377, 16991, 19591, 71885, 84955, 97955, 179059, 186901, 895295, 934505, 1969649, 2327767, 9848245, 11638835, 25605437, 128027185]

約数ペア:

[(1, 128027185), (5, 25605437), (11, 11638835), (13, 9848245), (55, 2327767), (65, 1969649), (137, 934505), (143, 895295), (685, 186901), (715, 179059), (1307, 97955), (1507, 84955), (1781, 71885), (6535, 19591), (7535, 16991), (8905, 14377)]