81835910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1091}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 159056352

約数和(自身を除く): 77220442

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 577, 1091, 1154, 2182, 2885, 5455, 5770, 7501, 10910, 14183, 15002, 28366, 37505, 70915, 75010, 141830, 629507, 1259014, 3147535, 6295070, 8183591, 16367182, 40917955, 81835910]

約数ペア:

[(1, 81835910), (2, 40917955), (5, 16367182), (10, 8183591), (13, 6295070), (26, 3147535), (65, 1259014), (130, 629507), (577, 141830), (1091, 75010), (1154, 70915), (2182, 37505), (2885, 28366), (5455, 15002), (5770, 14183), (7501, 10910)]