256979848

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{283}}^1\times {\mathrm{509}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 486662400

約数和(自身を除く): 229682552

約数列:

[1, 2, 4, 8, 223, 283, 446, 509, 566, 892, 1018, 1132, 1784, 2036, 2264, 4072, 63109, 113507, 126218, 144047, 227014, 252436, 288094, 454028, 504872, 576188, 908056, 1152376, 32122481, 64244962, 128489924, 256979848]

約数ペア:

[(1, 256979848), (2, 128489924), (4, 64244962), (8, 32122481), (223, 1152376), (283, 908056), (446, 576188), (509, 504872), (566, 454028), (892, 288094), (1018, 252436), (1132, 227014), (1784, 144047), (2036, 126218), (2264, 113507), (4072, 63109)]