291513768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1051}}^1$

素因数の和:1207

約数の個数: 128

約数和(自身を含む): 904888320

約数和(自身を除く): 613374552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 127, 156, 168, 182, 254, 273, 312, 364, 381, 508, 546, 728, 762, 889, 1016, 1051, 1092, 1524, 1651, 1778, 2102, 2184, 2667, 3048, 3153, 3302, 3556, 4204, 4953, 5334, 6306, 6604, 7112, 7357, 8408, 9906, 10668, 11557, 12612, 13208, 13663, 14714, 19812, 21336, 22071, 23114, 25224, 27326, 29428, 34671, 39624, 40989, 44142, 46228, 54652, 58856, 69342, 81978, 88284, 92456, 95641, 109304, 133477, 138684, 163956, 176568, 191282, 266954, 277368, 286923, 327912, 382564, 400431, 533908, 573846, 765128, 800862, 934339, 1067816, 1147692, 1601724, 1735201, 1868678, 2295384, 2803017, 3203448, 3470402, 3737356, 5205603, 5606034, 6940804, 7474712, 10411206, 11212068, 12146407, 13881608, 20822412, 22424136, 24292814, 36439221, 41644824, 48585628, 72878442, 97171256, 145756884, 291513768]

約数ペア:

[(1, 291513768), (2, 145756884), (3, 97171256), (4, 72878442), (6, 48585628), (7, 41644824), (8, 36439221), (12, 24292814), (13, 22424136), (14, 20822412), (21, 13881608), (24, 12146407), (26, 11212068), (28, 10411206), (39, 7474712), (42, 6940804), (52, 5606034), (56, 5205603), (78, 3737356), (84, 3470402), (91, 3203448), (104, 2803017), (127, 2295384), (156, 1868678), (168, 1735201), (182, 1601724), (254, 1147692), (273, 1067816), (312, 934339), (364, 800862), (381, 765128), (508, 573846), (546, 533908), (728, 400431), (762, 382564), (889, 327912), (1016, 286923), (1051, 277368), (1092, 266954), (1524, 191282), (1651, 176568), (1778, 163956), (2102, 138684), (2184, 133477), (2667, 109304), (3048, 95641), (3153, 92456), (3302, 88284), (3556, 81978), (4204, 69342), (4953, 58856), (5334, 54652), (6306, 46228), (6604, 44142), (7112, 40989), (7357, 39624), (8408, 34671), (9906, 29428), (10668, 27326), (11557, 25224), (12612, 23114), (13208, 22071), (13663, 21336), (14714, 19812)]