81618887

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12941}}^1$

素因数の和:13018

約数の個数: 16

約数和(自身を含む): 100636992

約数和(自身を除く): 19018105

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 12941, 90587, 219997, 685873, 1539979, 4801111, 11659841, 81618887]

約数ペア:

[(1, 81618887), (7, 11659841), (17, 4801111), (53, 1539979), (119, 685873), (371, 219997), (901, 90587), (6307, 12941)]