256182552

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 707644080

約数和(自身を除く): 451461528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 157, 173, 262, 314, 346, 393, 471, 519, 524, 628, 692, 786, 942, 1038, 1048, 1179, 1256, 1384, 1413, 1557, 1572, 1884, 2076, 2358, 2826, 3114, 3144, 3768, 4152, 4716, 5652, 6228, 9432, 11304, 12456, 20567, 22663, 27161, 41134, 45326, 54322, 61701, 67989, 81483, 82268, 90652, 108644, 123402, 135978, 162966, 164536, 181304, 185103, 203967, 217288, 244449, 246804, 271956, 325932, 370206, 407934, 488898, 493608, 543912, 651864, 740412, 815868, 977796, 1480824, 1631736, 1955592, 3558091, 7116182, 10674273, 14232364, 21348546, 28464728, 32022819, 42697092, 64045638, 85394184, 128091276, 256182552]

約数ペア:

[(1, 256182552), (2, 128091276), (3, 85394184), (4, 64045638), (6, 42697092), (8, 32022819), (9, 28464728), (12, 21348546), (18, 14232364), (24, 10674273), (36, 7116182), (72, 3558091), (131, 1955592), (157, 1631736), (173, 1480824), (262, 977796), (314, 815868), (346, 740412), (393, 651864), (471, 543912), (519, 493608), (524, 488898), (628, 407934), (692, 370206), (786, 325932), (942, 271956), (1038, 246804), (1048, 244449), (1179, 217288), (1256, 203967), (1384, 185103), (1413, 181304), (1557, 164536), (1572, 162966), (1884, 135978), (2076, 123402), (2358, 108644), (2826, 90652), (3114, 82268), (3144, 81483), (3768, 67989), (4152, 61701), (4716, 54322), (5652, 45326), (6228, 41134), (9432, 27161), (11304, 22663), (12456, 20567)]