28313168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4391}}^1$

素因数の和:4443

約数の個数: 40

約数和(自身を含む): 60996096

約数和(自身を除く): 32682928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 4391, 6448, 8782, 17564, 35128, 57083, 70256, 114166, 136121, 228332, 272242, 456664, 544484, 913328, 1088968, 1769573, 2177936, 3539146, 7078292, 14156584, 28313168]

約数ペア:

[(1, 28313168), (2, 14156584), (4, 7078292), (8, 3539146), (13, 2177936), (16, 1769573), (26, 1088968), (31, 913328), (52, 544484), (62, 456664), (104, 272242), (124, 228332), (208, 136121), (248, 114166), (403, 70256), (496, 57083), (806, 35128), (1612, 17564), (3224, 8782), (4391, 6448)]