393721128

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{25673}}^1$

素因数の和:25759

約数の個数: 64

約数和(自身を含む): 1109116800

約数和(自身を除く): 715395672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 7668, 15336, 25673, 51346, 77019, 102692, 154038, 205384, 231057, 308076, 462114, 616152, 693171, 924228, 1386342, 1822783, 1848456, 2772684, 3645566, 5468349, 5545368, 7291132, 10936698, 14582264, 16405047, 21873396, 32810094, 43746792, 49215141, 65620188, 98430282, 131240376, 196860564, 393721128]

約数ペア:

[(1, 393721128), (2, 196860564), (3, 131240376), (4, 98430282), (6, 65620188), (8, 49215141), (9, 43746792), (12, 32810094), (18, 21873396), (24, 16405047), (27, 14582264), (36, 10936698), (54, 7291132), (71, 5545368), (72, 5468349), (108, 3645566), (142, 2772684), (213, 1848456), (216, 1822783), (284, 1386342), (426, 924228), (568, 693171), (639, 616152), (852, 462114), (1278, 308076), (1704, 231057), (1917, 205384), (2556, 154038), (3834, 102692), (5112, 77019), (7668, 51346), (15336, 25673)]