163721168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25391}}^1$

素因数の和:25443

約数の個数: 40

約数和(自身を含む): 352644096

約数和(自身を除く): 188922928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 25391, 50782, 101564, 203128, 330083, 406256, 660166, 787121, 1320332, 1574242, 2640664, 3148484, 5281328, 6296968, 10232573, 12593936, 20465146, 40930292, 81860584, 163721168]

約数ペア:

[(1, 163721168), (2, 81860584), (4, 40930292), (8, 20465146), (13, 12593936), (16, 10232573), (26, 6296968), (31, 5281328), (52, 3148484), (62, 2640664), (104, 1574242), (124, 1320332), (208, 787121), (248, 660166), (403, 406256), (496, 330083), (806, 203128), (1612, 101564), (3224, 50782), (6448, 25391)]