81701911

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 87091200

約数和(自身を除く): 5389289

約数列:

[1, 23, 89, 167, 239, 2047, 3841, 5497, 14863, 21271, 39913, 341849, 489233, 917999, 3552257, 81701911]

約数ペア:

[(1, 81701911), (23, 3552257), (89, 917999), (167, 489233), (239, 341849), (2047, 39913), (3841, 21271), (5497, 14863)]