78339768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{977}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 211952160

約数和(自身を除く): 133612392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 257, 312, 514, 771, 977, 1028, 1542, 1954, 2056, 2931, 3084, 3341, 3908, 5862, 6168, 6682, 7816, 10023, 11724, 12701, 13364, 20046, 23448, 25402, 26728, 38103, 40092, 50804, 76206, 80184, 101608, 152412, 251089, 304824, 502178, 753267, 1004356, 1506534, 2008712, 3013068, 3264157, 6026136, 6528314, 9792471, 13056628, 19584942, 26113256, 39169884, 78339768]

約数ペア:

[(1, 78339768), (2, 39169884), (3, 26113256), (4, 19584942), (6, 13056628), (8, 9792471), (12, 6528314), (13, 6026136), (24, 3264157), (26, 3013068), (39, 2008712), (52, 1506534), (78, 1004356), (104, 753267), (156, 502178), (257, 304824), (312, 251089), (514, 152412), (771, 101608), (977, 80184), (1028, 76206), (1542, 50804), (1954, 40092), (2056, 38103), (2931, 26728), (3084, 25402), (3341, 23448), (3908, 20046), (5862, 13364), (6168, 12701), (6682, 11724), (7816, 10023)]