56891.0000000

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 20901888

約数和(自身を除く): 11582998

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 70, 82, 85, 119, 170, 191, 205, 238, 287, 382, 410, 574, 595, 697, 955, 1190, 1337, 1394, 1435, 1910, 2674, 2870, 3247, 3485, 4879, 6494, 6685, 6970, 7831, 9758, 13370, 15662, 16235, 22729, 24395, 32470, 39155, 45458, 48790, 54817, 78310, 109634, 113645, 133127, 227290, 266254, 274085, 548170, 665635, 931889, 1331270, 1863778, 4659445, 9318890]

約数ペア:

[(1, 9318890), (2, 4659445), (5, 1863778), (7, 1331270), (10, 931889), (14, 665635), (17, 548170), (34, 274085), (35, 266254), (41, 227290), (70, 133127), (82, 113645), (85, 109634), (119, 78310), (170, 54817), (191, 48790), (205, 45458), (238, 39155), (287, 32470), (382, 24395), (410, 22729), (574, 16235), (595, 15662), (697, 13370), (955, 9758), (1190, 7831), (1337, 6970), (1394, 6685), (1435, 6494), (1910, 4879), (2674, 3485), (2870, 3247)]