289657908

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 747506760

約数和(自身を除く): 457848852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 109, 194, 218, 291, 327, 388, 436, 582, 654, 761, 873, 981, 1164, 1308, 1522, 1746, 1962, 2283, 3044, 3492, 3924, 4566, 6849, 9132, 10573, 13698, 21146, 27396, 31719, 42292, 63438, 73817, 82949, 95157, 126876, 147634, 165898, 190314, 221451, 248847, 295268, 331796, 380628, 442902, 497694, 664353, 746541, 885804, 995388, 1328706, 1493082, 2657412, 2986164, 8046053, 16092106, 24138159, 32184212, 48276318, 72414477, 96552636, 144828954, 289657908]

約数ペア:

[(1, 289657908), (2, 144828954), (3, 96552636), (4, 72414477), (6, 48276318), (9, 32184212), (12, 24138159), (18, 16092106), (36, 8046053), (97, 2986164), (109, 2657412), (194, 1493082), (218, 1328706), (291, 995388), (327, 885804), (388, 746541), (436, 664353), (582, 497694), (654, 442902), (761, 380628), (873, 331796), (981, 295268), (1164, 248847), (1308, 221451), (1522, 190314), (1746, 165898), (1962, 147634), (2283, 126876), (3044, 95157), (3492, 82949), (3924, 73817), (4566, 63438), (6849, 42292), (9132, 31719), (10573, 27396), (13698, 21146)]