219831664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 479524864

約数和(自身を除く): 259693200

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 103, 104, 124, 206, 208, 248, 331, 403, 412, 496, 662, 806, 824, 1324, 1339, 1612, 1648, 2648, 2678, 3193, 3224, 4303, 5296, 5356, 6386, 6448, 8606, 10261, 10712, 12772, 17212, 20522, 21424, 25544, 34093, 34424, 41044, 41509, 51088, 68186, 68848, 82088, 83018, 133393, 136372, 164176, 166036, 266786, 272744, 332072, 443209, 533572, 545488, 664144, 886418, 1056883, 1067144, 1772836, 2113766, 2134288, 3545672, 4227532, 7091344, 8455064, 13739479, 16910128, 27478958, 54957916, 109915832, 219831664]

約数ペア:

[(1, 219831664), (2, 109915832), (4, 54957916), (8, 27478958), (13, 16910128), (16, 13739479), (26, 8455064), (31, 7091344), (52, 4227532), (62, 3545672), (103, 2134288), (104, 2113766), (124, 1772836), (206, 1067144), (208, 1056883), (248, 886418), (331, 664144), (403, 545488), (412, 533572), (496, 443209), (662, 332072), (806, 272744), (824, 266786), (1324, 166036), (1339, 164176), (1612, 136372), (1648, 133393), (2648, 83018), (2678, 82088), (3193, 68848), (3224, 68186), (4303, 51088), (5296, 41509), (5356, 41044), (6386, 34424), (6448, 34093), (8606, 25544), (10261, 21424), (10712, 20522), (12772, 17212)]