668392

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 1346400

約数和(自身を除く): 678008

約数列:

[1, 2, 4, 8, 29, 43, 58, 67, 86, 116, 134, 172, 232, 268, 344, 536, 1247, 1943, 2494, 2881, 3886, 4988, 5762, 7772, 9976, 11524, 15544, 23048, 83549, 167098, 334196, 668392]

約数ペア:

[(1, 668392), (2, 334196), (4, 167098), (8, 83549), (29, 23048), (43, 15544), (58, 11524), (67, 9976), (86, 7772), (116, 5762), (134, 4988), (172, 3886), (232, 2881), (268, 2494), (344, 1943), (536, 1247)]