664292368

素因数分解:

$2^4\times {\mathrm{2131}}^1\times {\mathrm{19483}}^1$

素因数の和:21622

約数の個数: 20

約数和(自身を含む): 1287736528

約数和(自身を除く): 623444160

約数列:

[1, 2, 4, 8, 16, 2131, 4262, 8524, 17048, 19483, 34096, 38966, 77932, 155864, 311728, 41518273, 83036546, 166073092, 332146184, 664292368]

約数ペア:

[(1, 664292368), (2, 332146184), (4, 166073092), (8, 83036546), (16, 41518273), (2131, 311728), (4262, 155864), (8524, 77932), (17048, 38966), (19483, 34096)]