1271984

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 2895648

約数和(自身を除く): 1623664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 277, 287, 328, 554, 574, 656, 1108, 1148, 1939, 2216, 2296, 3878, 4432, 4592, 7756, 11357, 15512, 22714, 31024, 45428, 79499, 90856, 158998, 181712, 317996, 635992, 1271984]

約数ペア:

[(1, 1271984), (2, 635992), (4, 317996), (7, 181712), (8, 158998), (14, 90856), (16, 79499), (28, 45428), (41, 31024), (56, 22714), (82, 15512), (112, 11357), (164, 7756), (277, 4592), (287, 4432), (328, 3878), (554, 2296), (574, 2216), (656, 1939), (1108, 1148)]