231021456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 647860320

約数和(自身を除く): 416838864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 114, 129, 137, 152, 172, 228, 258, 274, 304, 344, 411, 456, 516, 548, 688, 817, 822, 912, 1032, 1096, 1634, 1644, 1849, 2064, 2192, 2451, 2603, 3268, 3288, 3698, 4902, 5206, 5547, 5891, 6536, 6576, 7396, 7809, 9804, 10412, 11094, 11782, 13072, 14792, 15618, 17673, 19608, 20824, 22188, 23564, 29584, 31236, 35131, 35346, 39216, 41648, 44376, 47128, 62472, 70262, 70692, 88752, 94256, 105393, 111929, 124944, 140524, 141384, 210786, 223858, 253313, 281048, 282768, 335787, 421572, 447716, 506626, 562096, 671574, 759939, 843144, 895432, 1013252, 1343148, 1519878, 1686288, 1790864, 2026504, 2686296, 3039756, 4053008, 4812947, 5372592, 6079512, 9625894, 12159024, 14438841, 19251788, 28877682, 38503576, 57755364, 77007152, 115510728, 231021456]

約数ペア:

[(1, 231021456), (2, 115510728), (3, 77007152), (4, 57755364), (6, 38503576), (8, 28877682), (12, 19251788), (16, 14438841), (19, 12159024), (24, 9625894), (38, 6079512), (43, 5372592), (48, 4812947), (57, 4053008), (76, 3039756), (86, 2686296), (114, 2026504), (129, 1790864), (137, 1686288), (152, 1519878), (172, 1343148), (228, 1013252), (258, 895432), (274, 843144), (304, 759939), (344, 671574), (411, 562096), (456, 506626), (516, 447716), (548, 421572), (688, 335787), (817, 282768), (822, 281048), (912, 253313), (1032, 223858), (1096, 210786), (1634, 141384), (1644, 140524), (1849, 124944), (2064, 111929), (2192, 105393), (2451, 94256), (2603, 88752), (3268, 70692), (3288, 70262), (3698, 62472), (4902, 47128), (5206, 44376), (5547, 41648), (5891, 39216), (6536, 35346), (6576, 35131), (7396, 31236), (7809, 29584), (9804, 23564), (10412, 22188), (11094, 20824), (11782, 19608), (13072, 17673), (14792, 15618)]