721137508

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3877}}^1$

素因数の和:3981

約数の個数: 72

約数和(自身を含む): 1603025592

約数和(自身を除く): 881888084

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 98, 146, 182, 196, 292, 364, 511, 637, 949, 1022, 1274, 1898, 2044, 2548, 3577, 3796, 3877, 6643, 7154, 7754, 13286, 14308, 15508, 26572, 27139, 46501, 50401, 54278, 93002, 100802, 108556, 186004, 189973, 201604, 283021, 352807, 379946, 566042, 705614, 759892, 1132084, 1411228, 1981147, 2469649, 3679273, 3962294, 4939298, 7358546, 7924588, 9878596, 13868029, 14717092, 25754911, 27736058, 51509822, 55472116, 103019644, 180284377, 360568754, 721137508]

約数ペア:

[(1, 721137508), (2, 360568754), (4, 180284377), (7, 103019644), (13, 55472116), (14, 51509822), (26, 27736058), (28, 25754911), (49, 14717092), (52, 13868029), (73, 9878596), (91, 7924588), (98, 7358546), (146, 4939298), (182, 3962294), (196, 3679273), (292, 2469649), (364, 1981147), (511, 1411228), (637, 1132084), (949, 759892), (1022, 705614), (1274, 566042), (1898, 379946), (2044, 352807), (2548, 283021), (3577, 201604), (3796, 189973), (3877, 186004), (6643, 108556), (7154, 100802), (7754, 93002), (13286, 54278), (14308, 50401), (15508, 46501), (26572, 27139)]