1404416

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 40

約数和(自身を含む): 3036264

約数和(自身を除く): 1631848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 211, 256, 416, 422, 512, 832, 844, 1664, 1688, 2743, 3328, 3376, 5486, 6656, 6752, 10972, 13504, 21944, 27008, 43888, 54016, 87776, 108032, 175552, 351104, 702208, 1404416]

約数ペア:

[(1, 1404416), (2, 702208), (4, 351104), (8, 175552), (13, 108032), (16, 87776), (26, 54016), (32, 43888), (52, 27008), (64, 21944), (104, 13504), (128, 10972), (208, 6752), (211, 6656), (256, 5486), (416, 3376), (422, 3328), (512, 2743), (832, 1688), (844, 1664)]