78278872

素因数分解:

$2^3\times 7^2\times {\mathrm{397}}^1\times {\mathrm{503}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 171506160

約数和(自身を除く): 93227288

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 397, 503, 794, 1006, 1588, 2012, 2779, 3176, 3521, 4024, 5558, 7042, 11116, 14084, 19453, 22232, 24647, 28168, 38906, 49294, 77812, 98588, 155624, 197176, 199691, 399382, 798764, 1397837, 1597528, 2795674, 5591348, 9784859, 11182696, 19569718, 39139436, 78278872]

約数ペア:

[(1, 78278872), (2, 39139436), (4, 19569718), (7, 11182696), (8, 9784859), (14, 5591348), (28, 2795674), (49, 1597528), (56, 1397837), (98, 798764), (196, 399382), (392, 199691), (397, 197176), (503, 155624), (794, 98588), (1006, 77812), (1588, 49294), (2012, 38906), (2779, 28168), (3176, 24647), (3521, 22232), (4024, 19453), (5558, 14084), (7042, 11116)]