211757784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 629959680

約数和(自身を除く): 418201896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 71, 82, 84, 123, 142, 164, 168, 213, 246, 284, 287, 328, 426, 433, 492, 497, 568, 574, 852, 861, 866, 984, 994, 1148, 1299, 1491, 1704, 1722, 1732, 1988, 2296, 2598, 2911, 2982, 3031, 3444, 3464, 3976, 5196, 5822, 5964, 6062, 6888, 8733, 9093, 10392, 11644, 11928, 12124, 17466, 17753, 18186, 20377, 23288, 24248, 30743, 34932, 35506, 36372, 40754, 53259, 61131, 61486, 69864, 71012, 72744, 81508, 92229, 106518, 122262, 122972, 124271, 142024, 163016, 184458, 213036, 215201, 244524, 245944, 248542, 368916, 372813, 426072, 430402, 489048, 497084, 645603, 737832, 745626, 860804, 994168, 1260463, 1291206, 1491252, 1721608, 2520926, 2582412, 2982504, 3781389, 5041852, 5164824, 7562778, 8823241, 10083704, 15125556, 17646482, 26469723, 30251112, 35292964, 52939446, 70585928, 105878892, 211757784]

約数ペア:

[(1, 211757784), (2, 105878892), (3, 70585928), (4, 52939446), (6, 35292964), (7, 30251112), (8, 26469723), (12, 17646482), (14, 15125556), (21, 10083704), (24, 8823241), (28, 7562778), (41, 5164824), (42, 5041852), (56, 3781389), (71, 2982504), (82, 2582412), (84, 2520926), (123, 1721608), (142, 1491252), (164, 1291206), (168, 1260463), (213, 994168), (246, 860804), (284, 745626), (287, 737832), (328, 645603), (426, 497084), (433, 489048), (492, 430402), (497, 426072), (568, 372813), (574, 368916), (852, 248542), (861, 245944), (866, 244524), (984, 215201), (994, 213036), (1148, 184458), (1299, 163016), (1491, 142024), (1704, 124271), (1722, 122972), (1732, 122262), (1988, 106518), (2296, 92229), (2598, 81508), (2911, 72744), (2982, 71012), (3031, 69864), (3444, 61486), (3464, 61131), (3976, 53259), (5196, 40754), (5822, 36372), (5964, 35506), (6062, 34932), (6888, 30743), (8733, 24248), (9093, 23288), (10392, 20377), (11644, 18186), (11928, 17753), (12124, 17466)]