2156416

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 4553280

約数和(自身を除く): 2396864

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 991, 1088, 1982, 2176, 3964, 7928, 15856, 16847, 31712, 33694, 63424, 67388, 126848, 134776, 269552, 539104, 1078208, 2156416]

約数ペア:

[(1, 2156416), (2, 1078208), (4, 539104), (8, 269552), (16, 134776), (17, 126848), (32, 67388), (34, 63424), (64, 33694), (68, 31712), (128, 16847), (136, 15856), (272, 7928), (544, 3964), (991, 2176), (1088, 1982)]