31508336

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1117}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 64047984

約数和(自身を除く): 32539648

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1117, 1763, 2234, 3526, 4468, 7052, 8936, 14104, 17872, 28208, 45797, 48031, 91594, 96062, 183188, 192124, 366376, 384248, 732752, 768496, 1969271, 3938542, 7877084, 15754168, 31508336]

約数ペア:

[(1, 31508336), (2, 15754168), (4, 7877084), (8, 3938542), (16, 1969271), (41, 768496), (43, 732752), (82, 384248), (86, 366376), (164, 192124), (172, 183188), (328, 96062), (344, 91594), (656, 48031), (688, 45797), (1117, 28208), (1763, 17872), (2234, 14104), (3526, 8936), (4468, 7052)]