17420788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 38352384

約数和(自身を除く): 20931596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 163, 308, 326, 347, 652, 694, 1141, 1388, 1793, 2282, 2429, 3586, 3817, 4564, 4858, 7172, 7634, 9716, 12551, 15268, 25102, 26719, 50204, 53438, 56561, 106876, 113122, 226244, 395927, 622171, 791854, 1244342, 1583708, 2488684, 4355197, 8710394, 17420788]

約数ペア:

[(1, 17420788), (2, 8710394), (4, 4355197), (7, 2488684), (11, 1583708), (14, 1244342), (22, 791854), (28, 622171), (44, 395927), (77, 226244), (154, 113122), (163, 106876), (308, 56561), (326, 53438), (347, 50204), (652, 26719), (694, 25102), (1141, 15268), (1388, 12551), (1793, 9716), (2282, 7634), (2429, 7172), (3586, 4858), (3817, 4564)]