64890530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{911}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 124104960

約数和(自身を除く): 59214430

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 419, 838, 911, 1822, 2095, 4190, 4555, 7123, 9110, 14246, 15487, 30974, 35615, 71230, 77435, 154870, 381709, 763418, 1908545, 3817090, 6489053, 12978106, 32445265, 64890530]

約数ペア:

[(1, 64890530), (2, 32445265), (5, 12978106), (10, 6489053), (17, 3817090), (34, 1908545), (85, 763418), (170, 381709), (419, 154870), (838, 77435), (911, 71230), (1822, 35615), (2095, 30974), (4190, 15487), (4555, 14246), (7123, 9110)]