256448328

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{76873}}^1$

素因数の和:77021

約数の個数: 32

約数和(自身を含む): 645741600

約数和(自身を除く): 389293272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 76873, 153746, 230619, 307492, 461238, 614984, 922476, 1844952, 10685347, 21370694, 32056041, 42741388, 64112082, 85482776, 128224164, 256448328]

約数ペア:

[(1, 256448328), (2, 128224164), (3, 85482776), (4, 64112082), (6, 42741388), (8, 32056041), (12, 21370694), (24, 10685347), (139, 1844952), (278, 922476), (417, 614984), (556, 461238), (834, 307492), (1112, 230619), (1668, 153746), (3336, 76873)]