15640816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{57503}}^1$

素因数の和:57528

約数の個数: 20

約数和(自身を含む): 32087232

約数和(自身を除く): 16446416

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 57503, 115006, 230012, 460024, 920048, 977551, 1955102, 3910204, 7820408, 15640816]

約数ペア:

[(1, 15640816), (2, 7820408), (4, 3910204), (8, 1955102), (16, 977551), (17, 920048), (34, 460024), (68, 230012), (136, 115006), (272, 57503)]