161789008

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{51329}}^1$

素因数の和:51534

約数の個数: 20

約数和(自身を含む): 315063540

約数和(自身を除く): 153274532

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 51329, 102658, 205316, 410632, 821264, 10111813, 20223626, 40447252, 80894504, 161789008]

約数ペア:

[(1, 161789008), (2, 80894504), (4, 40447252), (8, 20223626), (16, 10111813), (197, 821264), (394, 410632), (788, 205316), (1576, 102658), (3152, 51329)]