66887704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{14957}}^1$

素因数の和:15019

約数の個数: 32

約数和(自身を含む): 138211920

約数和(自身を除く): 71324216

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 14957, 29914, 59828, 119656, 194441, 388882, 643151, 777764, 1286302, 1555528, 2572604, 5145208, 8360963, 16721926, 33443852, 66887704]

約数ペア:

[(1, 66887704), (2, 33443852), (4, 16721926), (8, 8360963), (13, 5145208), (26, 2572604), (43, 1555528), (52, 1286302), (86, 777764), (104, 643151), (172, 388882), (344, 194441), (559, 119656), (1118, 59828), (2236, 29914), (4472, 14957)]