338736385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 459406080

約数和(自身を除く): 120669695

約数列:

[1, 5, 13, 29, 65, 71, 145, 355, 377, 923, 1885, 2059, 2531, 4615, 10295, 12655, 26767, 32903, 73399, 133835, 164515, 179701, 366995, 898505, 954187, 2336113, 4770935, 5211329, 11680565, 26056645, 67747277, 338736385]

約数ペア:

[(1, 338736385), (5, 67747277), (13, 26056645), (29, 11680565), (65, 5211329), (71, 4770935), (145, 2336113), (355, 954187), (377, 898505), (923, 366995), (1885, 179701), (2059, 164515), (2531, 133835), (4615, 73399), (10295, 32903), (12655, 26767)]