721979728

素因数分解:

$2^4\times {\mathrm{2819}}^1\times {\mathrm{16007}}^1$

素因数の和:18834

約数の個数: 20

約数和(自身を含む): 1399419360

約数和(自身を除く): 677439632

約数列:

[1, 2, 4, 8, 16, 2819, 5638, 11276, 16007, 22552, 32014, 45104, 64028, 128056, 256112, 45123733, 90247466, 180494932, 360989864, 721979728]

約数ペア:

[(1, 721979728), (2, 360989864), (4, 180494932), (8, 90247466), (16, 45123733), (2819, 256112), (5638, 128056), (11276, 64028), (16007, 45104), (22552, 32014)]