2149259021

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 2838900960

約数和(自身を除く): 689641939

約数列:

[1, 7, 13, 49, 53, 59, 83, 91, 169, 371, 413, 581, 637, 689, 767, 1079, 1183, 2597, 2891, 3127, 4067, 4399, 4823, 4897, 5369, 7553, 8281, 8957, 9971, 14027, 21889, 30793, 33761, 34279, 37583, 40651, 52871, 57187, 62699, 63661, 69797, 98189, 153223, 215551, 239953, 259541, 284557, 400309, 438893, 445627, 488579, 528463, 687323, 743431, 827593, 1816787, 1991899, 2802163, 3119389, 3374033, 3699241, 5204017, 5793151, 12717509, 23618231, 25894687, 36428119, 40552057, 43862429, 165327617, 307037003, 2149259021]

約数ペア:

[(1, 2149259021), (7, 307037003), (13, 165327617), (49, 43862429), (53, 40552057), (59, 36428119), (83, 25894687), (91, 23618231), (169, 12717509), (371, 5793151), (413, 5204017), (581, 3699241), (637, 3374033), (689, 3119389), (767, 2802163), (1079, 1991899), (1183, 1816787), (2597, 827593), (2891, 743431), (3127, 687323), (4067, 528463), (4399, 488579), (4823, 445627), (4897, 438893), (5369, 400309), (7553, 284557), (8281, 259541), (8957, 239953), (9971, 215551), (14027, 153223), (21889, 98189), (30793, 69797), (33761, 63661), (34279, 62699), (37583, 57187), (40651, 52871)]