81816868

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{4133}}^1$

素因数の和:4252

約数の個数: 36

約数和(自身を含む): 168245532

約数和(自身を除く): 86428664

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1414, 2828, 4133, 4949, 8266, 9898, 16532, 19796, 28931, 57862, 115724, 202517, 405034, 417433, 810068, 834866, 1669732, 2922031, 5844062, 11688124, 20454217, 40908434, 81816868]

約数ペア:

[(1, 81816868), (2, 40908434), (4, 20454217), (7, 11688124), (14, 5844062), (28, 2922031), (49, 1669732), (98, 834866), (101, 810068), (196, 417433), (202, 405034), (404, 202517), (707, 115724), (1414, 57862), (2828, 28931), (4133, 19796), (4949, 16532), (8266, 9898)]