64440572

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 137410560

約数和(自身を除く): 72969988

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 644, 658, 1081, 1316, 2129, 2162, 4258, 4324, 7567, 8516, 14903, 15134, 29806, 30268, 48967, 59612, 97934, 100063, 195868, 200126, 342769, 400252, 685538, 700441, 1371076, 1400882, 2301449, 2801764, 4602898, 9205796, 16110143, 32220286, 64440572]

約数ペア:

[(1, 64440572), (2, 32220286), (4, 16110143), (7, 9205796), (14, 4602898), (23, 2801764), (28, 2301449), (46, 1400882), (47, 1371076), (92, 700441), (94, 685538), (161, 400252), (188, 342769), (322, 200126), (329, 195868), (644, 100063), (658, 97934), (1081, 59612), (1316, 48967), (2129, 30268), (2162, 29806), (4258, 15134), (4324, 14903), (7567, 8516)]