649698868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 1500635136

約数和(自身を除く): 850936268

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 43, 52, 62, 86, 91, 103, 124, 169, 172, 182, 206, 217, 301, 338, 364, 403, 412, 434, 559, 602, 676, 721, 806, 868, 1118, 1183, 1204, 1333, 1339, 1442, 1612, 2236, 2366, 2666, 2678, 2821, 2884, 3193, 3913, 4429, 4732, 5239, 5332, 5356, 5642, 6386, 7267, 7826, 8858, 9331, 9373, 10478, 11284, 12772, 14534, 15652, 17329, 17407, 17716, 18662, 18746, 20956, 22351, 29068, 31003, 34658, 34814, 36673, 37324, 37492, 41509, 44702, 50869, 57577, 62006, 69316, 69628, 73346, 83018, 89404, 101738, 115154, 121303, 121849, 124012, 137299, 146692, 166036, 203476, 225277, 230308, 242606, 243698, 274598, 290563, 403039, 450554, 485212, 487396, 539617, 549196, 581126, 748501, 806078, 901108, 961093, 1079234, 1162252, 1497002, 1576939, 1612156, 1784887, 1922186, 2158468, 2994004, 3153878, 3569774, 3777319, 3844372, 5239507, 6307756, 7139548, 7554638, 10479014, 12494209, 15109276, 20958028, 23203531, 24988418, 46407062, 49976836, 92814124, 162424717, 324849434, 649698868]

約数ペア:

[(1, 649698868), (2, 324849434), (4, 162424717), (7, 92814124), (13, 49976836), (14, 46407062), (26, 24988418), (28, 23203531), (31, 20958028), (43, 15109276), (52, 12494209), (62, 10479014), (86, 7554638), (91, 7139548), (103, 6307756), (124, 5239507), (169, 3844372), (172, 3777319), (182, 3569774), (206, 3153878), (217, 2994004), (301, 2158468), (338, 1922186), (364, 1784887), (403, 1612156), (412, 1576939), (434, 1497002), (559, 1162252), (602, 1079234), (676, 961093), (721, 901108), (806, 806078), (868, 748501), (1118, 581126), (1183, 549196), (1204, 539617), (1333, 487396), (1339, 485212), (1442, 450554), (1612, 403039), (2236, 290563), (2366, 274598), (2666, 243698), (2678, 242606), (2821, 230308), (2884, 225277), (3193, 203476), (3913, 166036), (4429, 146692), (4732, 137299), (5239, 124012), (5332, 121849), (5356, 121303), (5642, 115154), (6386, 101738), (7267, 89404), (7826, 83018), (8858, 73346), (9331, 69628), (9373, 69316), (10478, 62006), (11284, 57577), (12772, 50869), (14534, 44702), (15652, 41509), (17329, 37492), (17407, 37324), (17716, 36673), (18662, 34814), (18746, 34658), (20956, 31003), (22351, 29068)]