87232015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 120839040

約数和(自身を除く): 33607025

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 445, 887, 1105, 1157, 1513, 4435, 5785, 7565, 11531, 15079, 19669, 57655, 75395, 78943, 98345, 196027, 394715, 980135, 1026259, 1342031, 5131295, 6710155, 17446403, 87232015]

約数ペア:

[(1, 87232015), (5, 17446403), (13, 6710155), (17, 5131295), (65, 1342031), (85, 1026259), (89, 980135), (221, 394715), (445, 196027), (887, 98345), (1105, 78943), (1157, 75395), (1513, 57655), (4435, 19669), (5785, 15079), (7565, 11531)]