643670096

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{13177}}^1$

素因数の和:13299

約数の個数: 40

約数和(自身を含む): 1294185024

約数和(自身を除く): 650514928

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 568, 688, 1136, 3053, 6106, 12212, 13177, 24424, 26354, 48848, 52708, 105416, 210832, 566611, 935567, 1133222, 1871134, 2266444, 3742268, 4532888, 7484536, 9065776, 14969072, 40229381, 80458762, 160917524, 321835048, 643670096]

約数ペア:

[(1, 643670096), (2, 321835048), (4, 160917524), (8, 80458762), (16, 40229381), (43, 14969072), (71, 9065776), (86, 7484536), (142, 4532888), (172, 3742268), (284, 2266444), (344, 1871134), (568, 1133222), (688, 935567), (1136, 566611), (3053, 210832), (6106, 105416), (12212, 52708), (13177, 48848), (24424, 26354)]