8741672

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 18420000

約数和(自身を除く): 9678328

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 199, 289, 323, 398, 578, 646, 796, 1156, 1292, 1592, 2312, 2584, 3383, 3781, 5491, 6766, 7562, 10982, 13532, 15124, 21964, 27064, 30248, 43928, 57511, 64277, 115022, 128554, 230044, 257108, 460088, 514216, 1092709, 2185418, 4370836, 8741672]

約数ペア:

[(1, 8741672), (2, 4370836), (4, 2185418), (8, 1092709), (17, 514216), (19, 460088), (34, 257108), (38, 230044), (68, 128554), (76, 115022), (136, 64277), (152, 57511), (199, 43928), (289, 30248), (323, 27064), (398, 21964), (578, 15124), (646, 13532), (796, 10982), (1156, 7562), (1292, 6766), (1592, 5491), (2312, 3781), (2584, 3383)]