1287615088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{31771}}^1$

素因数の和:31945

約数の個数: 40

約数和(自身を含む): 2659316400

約数和(自身を除く): 1371701312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 149, 272, 298, 596, 1192, 2384, 2533, 5066, 10132, 20264, 31771, 40528, 63542, 127084, 254168, 508336, 540107, 1080214, 2160428, 4320856, 4733879, 8641712, 9467758, 18935516, 37871032, 75742064, 80475943, 160951886, 321903772, 643807544, 1287615088]

約数ペア:

[(1, 1287615088), (2, 643807544), (4, 321903772), (8, 160951886), (16, 80475943), (17, 75742064), (34, 37871032), (68, 18935516), (136, 9467758), (149, 8641712), (272, 4733879), (298, 4320856), (596, 2160428), (1192, 1080214), (2384, 540107), (2533, 508336), (5066, 254168), (10132, 127084), (20264, 63542), (31771, 40528)]