291267812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{733}}^1\times {\mathrm{821}}^1$

素因数の和:1580

約数の個数: 36

約数和(自身を含む): 561716988

約数和(自身を除く): 270449176

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 733, 821, 1466, 1642, 2932, 3284, 8063, 9031, 16126, 18062, 32252, 36124, 88693, 99341, 177386, 198682, 354772, 397364, 601793, 1203586, 2407172, 6619723, 13239446, 26478892, 72816953, 145633906, 291267812]

約数ペア:

[(1, 291267812), (2, 145633906), (4, 72816953), (11, 26478892), (22, 13239446), (44, 6619723), (121, 2407172), (242, 1203586), (484, 601793), (733, 397364), (821, 354772), (1466, 198682), (1642, 177386), (2932, 99341), (3284, 88693), (8063, 36124), (9031, 32252), (16126, 18062)]