256570136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{27961}}^1$

素因数の和:28035

約数の個数: 32

約数和(自身を含む): 510026880

約数和(自身を除く): 253456744

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2294, 4588, 9176, 27961, 55922, 111844, 223688, 866791, 1034557, 1733582, 2069114, 3467164, 4138228, 6934328, 8276456, 32071267, 64142534, 128285068, 256570136]

約数ペア:

[(1, 256570136), (2, 128285068), (4, 64142534), (8, 32071267), (31, 8276456), (37, 6934328), (62, 4138228), (74, 3467164), (124, 2069114), (148, 1733582), (248, 1034557), (296, 866791), (1147, 223688), (2294, 111844), (4588, 55922), (9176, 27961)]