331431664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{668209}}^1$

素因数の和:668248

約数の個数: 20

約数和(自身を含む): 662864320

約数和(自身を除く): 331432656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 668209, 1336418, 2672836, 5345672, 10691344, 20714479, 41428958, 82857916, 165715832, 331431664]

約数ペア:

[(1, 331431664), (2, 165715832), (4, 82857916), (8, 41428958), (16, 20714479), (31, 10691344), (62, 5345672), (124, 2672836), (248, 1336418), (496, 668209)]