399260164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{10853}}^1$

素因数の和:11415

約数の個数: 24

約数和(自身を含む): 741241368

約数和(自身を除く): 341981204

約数列:

[1, 2, 4, 17, 34, 68, 541, 1082, 2164, 9197, 10853, 18394, 21706, 36788, 43412, 184501, 369002, 738004, 5871473, 11742946, 23485892, 99815041, 199630082, 399260164]

約数ペア:

[(1, 399260164), (2, 199630082), (4, 99815041), (17, 23485892), (34, 11742946), (68, 5871473), (541, 738004), (1082, 369002), (2164, 184501), (9197, 43412), (10853, 36788), (18394, 21706)]