276658928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1534

約数の個数: 80

約数和(自身を含む): 664957440

約数和(自身を除く): 388298512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 182, 208, 278, 364, 556, 728, 973, 1112, 1367, 1456, 1807, 1946, 2224, 2734, 3614, 3892, 5468, 7228, 7784, 9569, 10936, 12649, 14456, 15568, 17771, 19138, 21872, 25298, 28912, 35542, 38276, 50596, 71084, 76552, 101192, 124397, 142168, 153104, 190013, 202384, 248794, 284336, 380026, 497588, 760052, 995176, 1330091, 1520104, 1990352, 2470169, 2660182, 3040208, 4940338, 5320364, 9880676, 10640728, 17291183, 19761352, 21281456, 34582366, 39522704, 69164732, 138329464, 276658928]

約数ペア:

[(1, 276658928), (2, 138329464), (4, 69164732), (7, 39522704), (8, 34582366), (13, 21281456), (14, 19761352), (16, 17291183), (26, 10640728), (28, 9880676), (52, 5320364), (56, 4940338), (91, 3040208), (104, 2660182), (112, 2470169), (139, 1990352), (182, 1520104), (208, 1330091), (278, 995176), (364, 760052), (556, 497588), (728, 380026), (973, 284336), (1112, 248794), (1367, 202384), (1456, 190013), (1807, 153104), (1946, 142168), (2224, 124397), (2734, 101192), (3614, 76552), (3892, 71084), (5468, 50596), (7228, 38276), (7784, 35542), (9569, 28912), (10936, 25298), (12649, 21872), (14456, 19138), (15568, 17771)]