890243556

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229681}}^1$

素因数の和:229724

約数の個数: 48

約数和(自身を含む): 2315194560

約数和(自身を除く): 1424951004

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 229681, 459362, 689043, 918724, 1378086, 2756172, 3904577, 4363939, 7809154, 8727878, 11713731, 13091817, 15618308, 17455756, 23427462, 26183634, 46854924, 52367268, 74186963, 148373926, 222560889, 296747852, 445121778, 890243556]

約数ペア:

[(1, 890243556), (2, 445121778), (3, 296747852), (4, 222560889), (6, 148373926), (12, 74186963), (17, 52367268), (19, 46854924), (34, 26183634), (38, 23427462), (51, 17455756), (57, 15618308), (68, 13091817), (76, 11713731), (102, 8727878), (114, 7809154), (204, 4363939), (228, 3904577), (323, 2756172), (646, 1378086), (969, 918724), (1292, 689043), (1938, 459362), (3876, 229681)]