641666.00000000

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 97690320

約数和(自身を除く): 62186436

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 468, 642, 709, 963, 1284, 1391, 1418, 1926, 2127, 2782, 2836, 3852, 4173, 4254, 5564, 6381, 8346, 8508, 9217, 12519, 12762, 16692, 18434, 25038, 25524, 27651, 36868, 50076, 55302, 75863, 82953, 110604, 151726, 165906, 227589, 303452, 331812, 455178, 682767, 910356, 986219, 1365534, 1972438, 2731068, 2958657, 3944876, 5917314, 8875971, 11834628, 17751942, 35503884]

約数ペア:

[(1, 35503884), (2, 17751942), (3, 11834628), (4, 8875971), (6, 5917314), (9, 3944876), (12, 2958657), (13, 2731068), (18, 1972438), (26, 1365534), (36, 986219), (39, 910356), (52, 682767), (78, 455178), (107, 331812), (117, 303452), (156, 227589), (214, 165906), (234, 151726), (321, 110604), (428, 82953), (468, 75863), (642, 55302), (709, 50076), (963, 36868), (1284, 27651), (1391, 25524), (1418, 25038), (1926, 18434), (2127, 16692), (2782, 12762), (2836, 12519), (3852, 9217), (4173, 8508), (4254, 8346), (5564, 6381)]