81876412

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 156280320

約数和(自身を除く): 74403908

約数列:

[1, 2, 4, 23, 37, 46, 67, 74, 92, 134, 148, 268, 359, 718, 851, 1436, 1541, 1702, 2479, 3082, 3404, 4958, 6164, 8257, 9916, 13283, 16514, 24053, 26566, 33028, 48106, 53132, 57017, 96212, 114034, 228068, 305509, 553219, 611018, 889961, 1106438, 1222036, 1779922, 2212876, 3559844, 20469103, 40938206, 81876412]

約数ペア:

[(1, 81876412), (2, 40938206), (4, 20469103), (23, 3559844), (37, 2212876), (46, 1779922), (67, 1222036), (74, 1106438), (92, 889961), (134, 611018), (148, 553219), (268, 305509), (359, 228068), (718, 114034), (851, 96212), (1436, 57017), (1541, 53132), (1702, 48106), (2479, 33028), (3082, 26566), (3404, 24053), (4958, 16514), (6164, 13283), (8257, 9916)]