643208336

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1087}}^1\times {\mathrm{1193}}^1$

素因数の和:2319

約数の個数: 40

約数和(自身を含む): 1288679424

約数和(自身を除く): 645471088

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1087, 1193, 2174, 2386, 4348, 4772, 8696, 9544, 17392, 19088, 33697, 36983, 67394, 73966, 134788, 147932, 269576, 295864, 539152, 591728, 1296791, 2593582, 5187164, 10374328, 20748656, 40200521, 80401042, 160802084, 321604168, 643208336]

約数ペア:

[(1, 643208336), (2, 321604168), (4, 160802084), (8, 80401042), (16, 40200521), (31, 20748656), (62, 10374328), (124, 5187164), (248, 2593582), (496, 1296791), (1087, 591728), (1193, 539152), (2174, 295864), (2386, 269576), (4348, 147932), (4772, 134788), (8696, 73966), (9544, 67394), (17392, 36983), (19088, 33697)]