2678164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 4989600

約数和(自身を除く): 2311436

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 269, 524, 538, 1076, 2489, 4978, 5111, 9956, 10222, 20444, 35239, 70478, 140956, 669541, 1339082, 2678164]

約数ペア:

[(1, 2678164), (2, 1339082), (4, 669541), (19, 140956), (38, 70478), (76, 35239), (131, 20444), (262, 10222), (269, 9956), (524, 5111), (538, 4978), (1076, 2489)]