257023456

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{90247}}^1$

素因数の和:90346

約数の個数: 24

約数和(自身を含む): 511706160

約数和(自身を除く): 254682704

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 90247, 180494, 360988, 721976, 1443952, 2887904, 8031983, 16063966, 32127932, 64255864, 128511728, 257023456]

約数ペア:

[(1, 257023456), (2, 128511728), (4, 64255864), (8, 32127932), (16, 16063966), (32, 8031983), (89, 2887904), (178, 1443952), (356, 721976), (712, 360988), (1424, 180494), (2848, 90247)]