197731888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 413433856

約数和(自身を除く): 215701968

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 73, 86, 124, 127, 146, 172, 248, 254, 292, 344, 496, 508, 584, 688, 1016, 1168, 1333, 2032, 2263, 2666, 3139, 3937, 4526, 5332, 5461, 6278, 7874, 9052, 9271, 10664, 10922, 12556, 15748, 18104, 18542, 21328, 21844, 25112, 31496, 36208, 37084, 43688, 50224, 62992, 74168, 87376, 97309, 148336, 169291, 194618, 287401, 338582, 389236, 398653, 574802, 677164, 778472, 797306, 1149604, 1354328, 1556944, 1594612, 2299208, 2708656, 3189224, 4598416, 6378448, 12358243, 24716486, 49432972, 98865944, 197731888]

約数ペア:

[(1, 197731888), (2, 98865944), (4, 49432972), (8, 24716486), (16, 12358243), (31, 6378448), (43, 4598416), (62, 3189224), (73, 2708656), (86, 2299208), (124, 1594612), (127, 1556944), (146, 1354328), (172, 1149604), (248, 797306), (254, 778472), (292, 677164), (344, 574802), (496, 398653), (508, 389236), (584, 338582), (688, 287401), (1016, 194618), (1168, 169291), (1333, 148336), (2032, 97309), (2263, 87376), (2666, 74168), (3139, 62992), (3937, 50224), (4526, 43688), (5332, 37084), (5461, 36208), (6278, 31496), (7874, 25112), (9052, 21844), (9271, 21328), (10664, 18542), (10922, 18104), (12556, 15748)]