81494040472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{15377}}^1$

素因数の和:15916

約数の個数: 64

約数和(自身を含む): 166248482400

約数和(自身を除く): 84754441928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 389, 524, 778, 1048, 1556, 1703, 3112, 3406, 5057, 6812, 10114, 13624, 15377, 20228, 30754, 40456, 50959, 61508, 101918, 123016, 199901, 203836, 399802, 407672, 662467, 799604, 1324934, 1599208, 2014387, 2649868, 4028774, 5299736, 5981653, 8057548, 11963306, 16115096, 23926612, 26187031, 47853224, 52374062, 77761489, 104748124, 155522978, 209496248, 311045956, 622091912, 783596543, 1567193086, 3134386172, 6268772344, 10186755059, 20373510118, 40747020236, 81494040472]

約数ペア:

[(1, 81494040472), (2, 40747020236), (4, 20373510118), (8, 10186755059), (13, 6268772344), (26, 3134386172), (52, 1567193086), (104, 783596543), (131, 622091912), (262, 311045956), (389, 209496248), (524, 155522978), (778, 104748124), (1048, 77761489), (1556, 52374062), (1703, 47853224), (3112, 26187031), (3406, 23926612), (5057, 16115096), (6812, 11963306), (10114, 8057548), (13624, 5981653), (15377, 5299736), (20228, 4028774), (30754, 2649868), (40456, 2014387), (50959, 1599208), (61508, 1324934), (101918, 799604), (123016, 662467), (199901, 407672), (203836, 399802)]