64431728

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{45247}}^1$

素因数の和:45344

約数の個数: 20

約数和(自身を含む): 126241920

約数和(自身を除く): 61810192

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 45247, 90494, 180988, 361976, 723952, 4026983, 8053966, 16107932, 32215864, 64431728]

約数ペア:

[(1, 64431728), (2, 32215864), (4, 16107932), (8, 8053966), (16, 4026983), (89, 723952), (178, 361976), (356, 180988), (712, 90494), (1424, 45247)]