71221264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 142490880

約数和(自身を除く): 71269616

約数列:

[1, 2, 4, 8, 16, 41, 82, 151, 164, 302, 328, 604, 656, 719, 1208, 1438, 2416, 2876, 5752, 6191, 11504, 12382, 24764, 29479, 49528, 58958, 99056, 108569, 117916, 217138, 235832, 434276, 471664, 868552, 1737104, 4451329, 8902658, 17805316, 35610632, 71221264]

約数ペア:

[(1, 71221264), (2, 35610632), (4, 17805316), (8, 8902658), (16, 4451329), (41, 1737104), (82, 868552), (151, 471664), (164, 434276), (302, 235832), (328, 217138), (604, 117916), (656, 108569), (719, 99056), (1208, 58958), (1438, 49528), (2416, 29479), (2876, 24764), (5752, 12382), (6191, 11504)]