2103809981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{212099}}^1$

素因数の和:212228

約数の個数: 16

約数和(自身を含む): 2613072000

約数和(自身を除く): 509262019

約数列:

[1, 7, 13, 91, 109, 763, 1417, 9919, 212099, 1484693, 2757287, 19301009, 23118791, 161831537, 300544283, 2103809981]

約数ペア:

[(1, 2103809981), (7, 300544283), (13, 161831537), (91, 23118791), (109, 19301009), (763, 2757287), (1417, 1484693), (9919, 212099)]