81287245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{1831}}^1$

素因数の和:2532

約数の個数: 16

約数和(自身を含む): 105259392

約数和(自身を除く): 23972147

約数列:

[1, 5, 13, 65, 683, 1831, 3415, 8879, 9155, 23803, 44395, 119015, 1250573, 6252865, 16257449, 81287245]

約数ペア:

[(1, 81287245), (5, 16257449), (13, 6252865), (65, 1250573), (683, 119015), (1831, 44395), (3415, 23803), (8879, 9155)]