168709688

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 376166400

約数和(自身を除く): 207456712

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 157, 217, 248, 314, 434, 619, 628, 868, 1099, 1238, 1256, 1736, 2198, 2476, 4333, 4396, 4867, 4952, 8666, 8792, 9734, 17332, 19189, 19468, 34069, 34664, 38378, 38936, 68138, 76756, 97183, 134323, 136276, 153512, 194366, 268646, 272552, 388732, 537292, 680281, 777464, 1074584, 1360562, 2721124, 3012673, 5442248, 6025346, 12050692, 21088711, 24101384, 42177422, 84354844, 168709688]

約数ペア:

[(1, 168709688), (2, 84354844), (4, 42177422), (7, 24101384), (8, 21088711), (14, 12050692), (28, 6025346), (31, 5442248), (56, 3012673), (62, 2721124), (124, 1360562), (157, 1074584), (217, 777464), (248, 680281), (314, 537292), (434, 388732), (619, 272552), (628, 268646), (868, 194366), (1099, 153512), (1238, 136276), (1256, 134323), (1736, 97183), (2198, 76756), (2476, 68138), (4333, 38936), (4396, 38378), (4867, 34664), (4952, 34069), (8666, 19468), (8792, 19189), (9734, 17332)]