1386720008

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{639631}}^1$

素因数の和:639908

約数の個数: 16

約数和(自身を含む): 2609698560

約数和(自身を除く): 1222978552

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 639631, 1279262, 2558524, 5117048, 173340001, 346680002, 693360004, 1386720008]

約数ペア:

[(1, 1386720008), (2, 693360004), (4, 346680002), (8, 173340001), (271, 5117048), (542, 2558524), (1084, 1279262), (2168, 639631)]