28640648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1069}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 57202200

約数和(自身を除く): 28561552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 788, 1069, 1576, 2138, 3349, 4276, 6698, 8552, 13396, 18173, 26792, 36346, 72692, 145384, 210593, 421186, 842372, 1684744, 3580081, 7160162, 14320324, 28640648]

約数ペア:

[(1, 28640648), (2, 14320324), (4, 7160162), (8, 3580081), (17, 1684744), (34, 842372), (68, 421186), (136, 210593), (197, 145384), (394, 72692), (788, 36346), (1069, 26792), (1576, 18173), (2138, 13396), (3349, 8552), (4276, 6698)]