28670719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16189}}^1$

素因数の和:16230

約数の個数: 16

約数和(自身を含む): 37301760

約数和(自身を除く): 8631041

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 16189, 113323, 178079, 372347, 1246553, 2606429, 4095817, 28670719]

約数ペア:

[(1, 28670719), (7, 4095817), (11, 2606429), (23, 1246553), (77, 372347), (161, 178079), (253, 113323), (1771, 16189)]