87981505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{2239}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 109670400

約数和(自身を除く): 21688895

約数列:

[1, 5, 29, 145, 271, 1355, 2239, 7859, 11195, 39295, 64931, 324655, 606769, 3033845, 17596301, 87981505]

約数ペア:

[(1, 87981505), (5, 17596301), (29, 3033845), (145, 606769), (271, 324655), (1355, 64931), (2239, 39295), (7859, 11195)]