129579728

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{90997}}^1$

素因数の和:91094

約数の個数: 20

約数和(自身を含む): 253884420

約数和(自身を除く): 124304692

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 90997, 181994, 363988, 727976, 1455952, 8098733, 16197466, 32394932, 64789864, 129579728]

約数ペア:

[(1, 129579728), (2, 64789864), (4, 32394932), (8, 16197466), (16, 8098733), (89, 1455952), (178, 727976), (356, 363988), (712, 181994), (1424, 90997)]