397664

素因数分解:

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

素因数の和:87

約数の個数: 36

約数和(自身を含む): 851004

約数和(自身を除く): 453340

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 136, 172, 272, 289, 344, 544, 578, 688, 731, 1156, 1376, 1462, 2312, 2924, 4624, 5848, 9248, 11696, 12427, 23392, 24854, 49708, 99416, 198832, 397664]

約数ペア:

[(1, 397664), (2, 198832), (4, 99416), (8, 49708), (16, 24854), (17, 23392), (32, 12427), (34, 11696), (43, 9248), (68, 5848), (86, 4624), (136, 2924), (172, 2312), (272, 1462), (289, 1376), (344, 1156), (544, 731), (578, 688)]