26289328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 55461728

約数和(自身を除く): 29172400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1303, 1552, 2522, 2606, 5044, 5212, 10088, 10424, 16939, 20176, 20848, 33878, 67756, 126391, 135512, 252782, 271024, 505564, 1011128, 1643083, 2022256, 3286166, 6572332, 13144664, 26289328]

約数ペア:

[(1, 26289328), (2, 13144664), (4, 6572332), (8, 3286166), (13, 2022256), (16, 1643083), (26, 1011128), (52, 505564), (97, 271024), (104, 252782), (194, 135512), (208, 126391), (388, 67756), (776, 33878), (1261, 20848), (1303, 20176), (1552, 16939), (2522, 10424), (2606, 10088), (5044, 5212)]