281985145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139943}}^1$

素因数の和:139992

約数の個数: 16

約数和(自身を含む): 376169472

約数和(自身を除く): 94184327

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 139943, 699715, 1819259, 4338233, 9096295, 21691165, 56397029, 281985145]

約数ペア:

[(1, 281985145), (5, 56397029), (13, 21691165), (31, 9096295), (65, 4338233), (155, 1819259), (403, 699715), (2015, 139943)]