12861212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 28082880

約数和(自身を除く): 15221668

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 397, 623, 794, 1157, 1246, 1588, 2314, 2492, 2779, 4628, 5161, 5558, 8099, 10322, 11116, 16198, 20644, 32396, 35333, 36127, 70666, 72254, 141332, 144508, 247331, 459329, 494662, 918658, 989324, 1837316, 3215303, 6430606, 12861212]

約数ペア:

[(1, 12861212), (2, 6430606), (4, 3215303), (7, 1837316), (13, 989324), (14, 918658), (26, 494662), (28, 459329), (52, 247331), (89, 144508), (91, 141332), (178, 72254), (182, 70666), (356, 36127), (364, 35333), (397, 32396), (623, 20644), (794, 16198), (1157, 11116), (1246, 10322), (1588, 8099), (2314, 5558), (2492, 5161), (2779, 4628)]