890227634

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{1091}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 1427025600

約数和(自身を除く): 536797966

約数列:

[1, 2, 19, 38, 109, 197, 218, 394, 1091, 2071, 2182, 3743, 4142, 7486, 20729, 21473, 41458, 42946, 118919, 214927, 237838, 407987, 429854, 815974, 2259461, 4083613, 4518922, 8167226, 23427043, 46854086, 445113817, 890227634]

約数ペア:

[(1, 890227634), (2, 445113817), (19, 46854086), (38, 23427043), (109, 8167226), (197, 4518922), (218, 4083613), (394, 2259461), (1091, 815974), (2071, 429854), (2182, 407987), (3743, 237838), (4142, 214927), (7486, 118919), (20729, 42946), (21473, 41458)]