256790872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{60223}}^1$

素因数の和:60283

約数の個数: 32

約数和(自身を含む): 531175680

約数和(自身を除く): 274384808

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 60223, 120446, 240892, 481784, 782899, 1565798, 2469143, 3131596, 4938286, 6263192, 9876572, 19753144, 32098859, 64197718, 128395436, 256790872]

約数ペア:

[(1, 256790872), (2, 128395436), (4, 64197718), (8, 32098859), (13, 19753144), (26, 9876572), (41, 6263192), (52, 4938286), (82, 3131596), (104, 2469143), (164, 1565798), (328, 782899), (533, 481784), (1066, 240892), (2132, 120446), (4264, 60223)]