81620904

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{43049}}^1$

素因数の和:43137

約数の個数: 32

約数和(自身を含む): 206640000

約数和(自身を除く): 125019096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 43049, 86098, 129147, 172196, 258294, 344392, 516588, 1033176, 3400871, 6801742, 10202613, 13603484, 20405226, 27206968, 40810452, 81620904]

約数ペア:

[(1, 81620904), (2, 40810452), (3, 27206968), (4, 20405226), (6, 13603484), (8, 10202613), (12, 6801742), (24, 3400871), (79, 1033176), (158, 516588), (237, 344392), (316, 258294), (474, 172196), (632, 129147), (948, 86098), (1896, 43049)]