213861263

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{11621}}^1$

素因数の和:11878

約数の個数: 16

約数和(自身を含む): 267770880

約数和(自身を除く): 53909617

約数列:

[1, 7, 11, 77, 239, 1673, 2629, 11621, 18403, 81347, 127831, 894817, 2777419, 19441933, 30551609, 213861263]

約数ペア:

[(1, 213861263), (7, 30551609), (11, 19441933), (77, 2777419), (239, 894817), (1673, 127831), (2629, 81347), (11621, 18403)]