20121309992

素因数分解:

$2^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{800243}}^1$

素因数の和:800705

約数の個数: 32

約数和(自身を含む): 43213176000

約数和(自身を除く): 23091866008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 449, 898, 1796, 3143, 3592, 6286, 12572, 25144, 800243, 1600486, 3200972, 5601701, 6401944, 11203402, 22406804, 44813608, 359309107, 718618214, 1437236428, 2515163749, 2874472856, 5030327498, 10060654996, 20121309992]

約数ペア:

[(1, 20121309992), (2, 10060654996), (4, 5030327498), (7, 2874472856), (8, 2515163749), (14, 1437236428), (28, 718618214), (56, 359309107), (449, 44813608), (898, 22406804), (1796, 11203402), (3143, 6401944), (3592, 5601701), (6286, 3200972), (12572, 1600486), (25144, 800243)]