42261898

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 80994816

約数和(自身を除く): 38732918

約数列:

[1, 2, 7, 14, 17, 34, 41, 61, 71, 82, 119, 122, 142, 238, 287, 427, 497, 574, 697, 854, 994, 1037, 1207, 1394, 2074, 2414, 2501, 2911, 4331, 4879, 5002, 5822, 7259, 8449, 8662, 9758, 14518, 16898, 17507, 20377, 30317, 35014, 40754, 42517, 49487, 60634, 73627, 85034, 98974, 147254, 177571, 297619, 346409, 355142, 515389, 595238, 692818, 1030778, 1242997, 2485994, 3018707, 6037414, 21130949, 42261898]

約数ペア:

[(1, 42261898), (2, 21130949), (7, 6037414), (14, 3018707), (17, 2485994), (34, 1242997), (41, 1030778), (61, 692818), (71, 595238), (82, 515389), (119, 355142), (122, 346409), (142, 297619), (238, 177571), (287, 147254), (427, 98974), (497, 85034), (574, 73627), (697, 60634), (854, 49487), (994, 42517), (1037, 40754), (1207, 35014), (1394, 30317), (2074, 20377), (2414, 17507), (2501, 16898), (2911, 14518), (4331, 9758), (4879, 8662), (5002, 8449), (5822, 7259)]