81864230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3313}}^1$

素因数の和:3680

約数の個数: 32

約数和(自身を含む): 168934464

約数和(自身を除く): 87070234

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 1765, 2471, 3313, 3530, 4942, 6626, 12355, 16565, 23191, 24710, 33130, 46382, 115955, 231910, 1169489, 2338978, 5847445, 8186423, 11694890, 16372846, 40932115, 81864230]

約数ペア:

[(1, 81864230), (2, 40932115), (5, 16372846), (7, 11694890), (10, 8186423), (14, 5847445), (35, 2338978), (70, 1169489), (353, 231910), (706, 115955), (1765, 46382), (2471, 33130), (3313, 24710), (3530, 23191), (4942, 16565), (6626, 12355)]