256593232

素因数分解:

$2^4\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{1987}}^1$

素因数の和:3155

約数の個数: 40

約数和(自身を含む): 568949696

約数和(自身を除く): 312356464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1153, 1987, 2306, 3974, 4612, 7948, 8071, 9224, 13909, 15896, 16142, 18448, 27818, 31792, 32284, 55636, 64568, 111272, 129136, 222544, 2291011, 4582022, 9164044, 16037077, 18328088, 32074154, 36656176, 64148308, 128296616, 256593232]

約数ペア:

[(1, 256593232), (2, 128296616), (4, 64148308), (7, 36656176), (8, 32074154), (14, 18328088), (16, 16037077), (28, 9164044), (56, 4582022), (112, 2291011), (1153, 222544), (1987, 129136), (2306, 111272), (3974, 64568), (4612, 55636), (7948, 32284), (8071, 31792), (9224, 27818), (13909, 18448), (15896, 16142)]