12718236490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31020089}}^1$

素因数の和:31020137

約数の個数: 16

約数和(自身を含む): 23451188040

約数和(自身を除く): 10732951550

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 31020089, 62040178, 155100445, 310200890, 1271823649, 2543647298, 6359118245, 12718236490]

約数ペア:

[(1, 12718236490), (2, 6359118245), (5, 2543647298), (10, 1271823649), (41, 310200890), (82, 155100445), (205, 62040178), (410, 31020089)]