28189096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 31484504

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 73, 79, 94, 104, 146, 158, 188, 292, 316, 376, 584, 611, 632, 949, 1027, 1222, 1898, 2054, 2444, 3431, 3713, 3796, 4108, 4888, 5767, 6862, 7426, 7592, 8216, 11534, 13724, 14852, 23068, 27448, 29704, 44603, 46136, 48269, 74971, 89206, 96538, 149942, 178412, 193076, 271049, 299884, 356824, 386152, 542098, 599768, 1084196, 2168392, 3523637, 7047274, 14094548, 28189096]

約数ペア:

[(1, 28189096), (2, 14094548), (4, 7047274), (8, 3523637), (13, 2168392), (26, 1084196), (47, 599768), (52, 542098), (73, 386152), (79, 356824), (94, 299884), (104, 271049), (146, 193076), (158, 178412), (188, 149942), (292, 96538), (316, 89206), (376, 74971), (584, 48269), (611, 46136), (632, 44603), (949, 29704), (1027, 27448), (1222, 23068), (1898, 14852), (2054, 13724), (2444, 11534), (3431, 8216), (3713, 7592), (3796, 7426), (4108, 6862), (4888, 5767)]