201311308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2131}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 408320640

約数和(自身を除く): 207009332

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 113, 209, 226, 418, 452, 836, 1243, 2131, 2147, 2486, 4262, 4294, 4972, 8524, 8588, 23441, 23617, 40489, 46882, 47234, 80978, 93764, 94468, 161956, 240803, 445379, 481606, 890758, 963212, 1781516, 2648833, 4575257, 5297666, 9150514, 10595332, 18301028, 50327827, 100655654, 201311308]

約数ペア:

[(1, 201311308), (2, 100655654), (4, 50327827), (11, 18301028), (19, 10595332), (22, 9150514), (38, 5297666), (44, 4575257), (76, 2648833), (113, 1781516), (209, 963212), (226, 890758), (418, 481606), (452, 445379), (836, 240803), (1243, 161956), (2131, 94468), (2147, 93764), (2486, 80978), (4262, 47234), (4294, 46882), (4972, 40489), (8524, 23617), (8588, 23441)]