16563260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 40022976

約数和(自身を除く): 23459716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 613, 772, 965, 1226, 1351, 1930, 2452, 2702, 3065, 3860, 4291, 5404, 6130, 6755, 8582, 12260, 13510, 17164, 21455, 27020, 42910, 85820, 118309, 236618, 473236, 591545, 828163, 1183090, 1656326, 2366180, 3312652, 4140815, 8281630, 16563260]

約数ペア:

[(1, 16563260), (2, 8281630), (4, 4140815), (5, 3312652), (7, 2366180), (10, 1656326), (14, 1183090), (20, 828163), (28, 591545), (35, 473236), (70, 236618), (140, 118309), (193, 85820), (386, 42910), (613, 27020), (772, 21455), (965, 17164), (1226, 13510), (1351, 12260), (1930, 8582), (2452, 6755), (2702, 6130), (3065, 5404), (3860, 4291)]