668850814

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 1041638400

約数和(自身を除く): 372787586

約数列:

[1, 2, 71, 79, 109, 142, 158, 218, 547, 1094, 5609, 7739, 8611, 11218, 15478, 17222, 38837, 43213, 59623, 77674, 86426, 119246, 611381, 1222762, 3068123, 4233233, 4710217, 6136246, 8466466, 9420434, 334425407, 668850814]

約数ペア:

[(1, 668850814), (2, 334425407), (71, 9420434), (79, 8466466), (109, 6136246), (142, 4710217), (158, 4233233), (218, 3068123), (547, 1222762), (1094, 611381), (5609, 119246), (7739, 86426), (8611, 77674), (11218, 59623), (15478, 43213), (17222, 38837)]