42000056

素因数分解:

$2^3\times 7^2\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 92169000

約数和(自身を除く): 50168944

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 307, 349, 392, 614, 698, 1228, 1396, 2149, 2443, 2456, 2792, 4298, 4886, 8596, 9772, 15043, 17101, 17192, 19544, 30086, 34202, 60172, 68404, 107143, 120344, 136808, 214286, 428572, 750001, 857144, 1500002, 3000004, 5250007, 6000008, 10500014, 21000028, 42000056]

約数ペア:

[(1, 42000056), (2, 21000028), (4, 10500014), (7, 6000008), (8, 5250007), (14, 3000004), (28, 1500002), (49, 857144), (56, 750001), (98, 428572), (196, 214286), (307, 136808), (349, 120344), (392, 107143), (614, 68404), (698, 60172), (1228, 34202), (1396, 30086), (2149, 19544), (2443, 17192), (2456, 17101), (2792, 15043), (4298, 9772), (4886, 8596)]