38998765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 55248480

約数和(自身を除く): 16249715

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1217, 1885, 2465, 6085, 6409, 15821, 20689, 32045, 35293, 79105, 103445, 176465, 268957, 458809, 599981, 1344785, 2294045, 2999905, 7799753, 38998765]

約数ペア:

[(1, 38998765), (5, 7799753), (13, 2999905), (17, 2294045), (29, 1344785), (65, 599981), (85, 458809), (145, 268957), (221, 176465), (377, 103445), (493, 79105), (1105, 35293), (1217, 32045), (1885, 20689), (2465, 15821), (6085, 6409)]