26123128

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 50220000

約数和(自身を除く): 24096872

約数列:

[1, 2, 4, 8, 61, 122, 199, 244, 269, 398, 488, 538, 796, 1076, 1592, 2152, 12139, 16409, 24278, 32818, 48556, 53531, 65636, 97112, 107062, 131272, 214124, 428248, 3265391, 6530782, 13061564, 26123128]

約数ペア:

[(1, 26123128), (2, 13061564), (4, 6530782), (8, 3265391), (61, 428248), (122, 214124), (199, 131272), (244, 107062), (269, 97112), (398, 65636), (488, 53531), (538, 48556), (796, 32818), (1076, 24278), (1592, 16409), (2152, 12139)]