639713634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{15231277}}^1$

素因数の和:15231289

約数の個数: 16

約数和(自身を含む): 1462202688

約数和(自身を除く): 822489054

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 15231277, 30462554, 45693831, 91387662, 106618939, 213237878, 319856817, 639713634]

約数ペア:

[(1, 639713634), (2, 319856817), (3, 213237878), (6, 106618939), (7, 91387662), (14, 45693831), (21, 30462554), (42, 15231277)]