219714478376

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{638704879}}^1$

素因数の和:638704928

約数の個数: 16

約数和(自身を含む): 421545220800

約数和(自身を除く): 201830742424

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 638704879, 1277409758, 2554819516, 5109639032, 27464309797, 54928619594, 109857239188, 219714478376]

約数ペア:

[(1, 219714478376), (2, 109857239188), (4, 54928619594), (8, 27464309797), (43, 5109639032), (86, 2554819516), (172, 1277409758), (344, 638704879)]