68539904

素因数分解:

$2^9\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:790

約数の個数: 40

約数和(自身を含む): 137736720

約数和(自身を除く): 69196816

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 263, 509, 512, 526, 1018, 1052, 2036, 2104, 4072, 4208, 8144, 8416, 16288, 16832, 32576, 33664, 65152, 67328, 130304, 133867, 134656, 260608, 267734, 535468, 1070936, 2141872, 4283744, 8567488, 17134976, 34269952, 68539904]

約数ペア:

[(1, 68539904), (2, 34269952), (4, 17134976), (8, 8567488), (16, 4283744), (32, 2141872), (64, 1070936), (128, 535468), (256, 267734), (263, 260608), (509, 134656), (512, 133867), (526, 130304), (1018, 67328), (1052, 65152), (2036, 33664), (2104, 32576), (4072, 16832), (4208, 16288), (8144, 8416)]