678368

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 1496880

約数和(自身を除く): 818512

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 43, 58, 68, 86, 116, 136, 172, 232, 272, 344, 464, 493, 544, 688, 731, 928, 986, 1247, 1376, 1462, 1972, 2494, 2924, 3944, 4988, 5848, 7888, 9976, 11696, 15776, 19952, 21199, 23392, 39904, 42398, 84796, 169592, 339184, 678368]

約数ペア:

[(1, 678368), (2, 339184), (4, 169592), (8, 84796), (16, 42398), (17, 39904), (29, 23392), (32, 21199), (34, 19952), (43, 15776), (58, 11696), (68, 9976), (86, 7888), (116, 5848), (136, 4988), (172, 3944), (232, 2924), (272, 2494), (344, 1972), (464, 1462), (493, 1376), (544, 1247), (688, 986), (731, 928)]