900000016

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{285533}}^1$

素因数の和:285738

約数の個数: 20

約数和(自身を含む): 1752607692

約数和(自身を除く): 852607676

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 285533, 571066, 1142132, 2284264, 4568528, 56250001, 112500002, 225000004, 450000008, 900000016]

約数ペア:

[(1, 900000016), (2, 450000008), (4, 225000004), (8, 112500002), (16, 56250001), (197, 4568528), (394, 2284264), (788, 1142132), (1576, 571066), (3152, 285533)]