201872891

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 235154640

約数和(自身を除く): 33281749

約数列:

[1, 11, 19, 121, 209, 277, 317, 2299, 3047, 3487, 5263, 6023, 33517, 38357, 57893, 66253, 87809, 636823, 728783, 965899, 1668371, 10624889, 18352081, 201872891]

約数ペア:

[(1, 201872891), (11, 18352081), (19, 10624889), (121, 1668371), (209, 965899), (277, 728783), (317, 636823), (2299, 87809), (3047, 66253), (3487, 57893), (5263, 38357), (6023, 33517)]