81510632

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 179589120

約数和(自身を除く): 98078488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 127, 146, 157, 254, 292, 314, 508, 511, 584, 628, 889, 1016, 1022, 1099, 1256, 1778, 2044, 2198, 3556, 4088, 4396, 7112, 8792, 9271, 11461, 18542, 19939, 22922, 37084, 39878, 45844, 64897, 74168, 79756, 80227, 91688, 129794, 139573, 159512, 160454, 259588, 279146, 320908, 519176, 558292, 641816, 1116584, 1455547, 2911094, 5822188, 10188829, 11644376, 20377658, 40755316, 81510632]

約数ペア:

[(1, 81510632), (2, 40755316), (4, 20377658), (7, 11644376), (8, 10188829), (14, 5822188), (28, 2911094), (56, 1455547), (73, 1116584), (127, 641816), (146, 558292), (157, 519176), (254, 320908), (292, 279146), (314, 259588), (508, 160454), (511, 159512), (584, 139573), (628, 129794), (889, 91688), (1016, 80227), (1022, 79756), (1099, 74168), (1256, 64897), (1778, 45844), (2044, 39878), (2198, 37084), (3556, 22922), (4088, 19939), (4396, 18542), (7112, 11461), (8792, 9271)]