181327468

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 370427904

約数和(自身を除く): 189100436

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 197, 284, 394, 463, 497, 788, 926, 994, 1379, 1852, 1988, 2758, 3241, 5516, 6482, 12964, 13987, 27974, 32873, 55948, 65746, 91211, 97909, 131492, 182422, 195818, 230111, 364844, 391636, 460222, 638477, 920444, 1276954, 2553908, 6475981, 12951962, 25903924, 45331867, 90663734, 181327468]

約数ペア:

[(1, 181327468), (2, 90663734), (4, 45331867), (7, 25903924), (14, 12951962), (28, 6475981), (71, 2553908), (142, 1276954), (197, 920444), (284, 638477), (394, 460222), (463, 391636), (497, 364844), (788, 230111), (926, 195818), (994, 182422), (1379, 131492), (1852, 97909), (1988, 91211), (2758, 65746), (3241, 55948), (5516, 32873), (6482, 27974), (12964, 13987)]