31121146

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 23621894

約数列:

[1, 2, 7, 14, 71, 131, 142, 239, 262, 478, 497, 917, 994, 1673, 1834, 3346, 9301, 16969, 18602, 31309, 33938, 62618, 65107, 118783, 130214, 219163, 237566, 438326, 2222939, 4445878, 15560573, 31121146]

約数ペア:

[(1, 31121146), (2, 15560573), (7, 4445878), (14, 2222939), (71, 438326), (131, 237566), (142, 219163), (239, 130214), (262, 118783), (478, 65107), (497, 62618), (917, 33938), (994, 31309), (1673, 18602), (1834, 16969), (3346, 9301)]