12889316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1487}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 24748416

約数和(自身を除く): 11859100

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 1487, 2167, 2974, 4334, 5948, 8668, 16357, 32714, 65428, 292939, 585878, 1171756, 3222329, 6444658, 12889316]

約数ペア:

[(1, 12889316), (2, 6444658), (4, 3222329), (11, 1171756), (22, 585878), (44, 292939), (197, 65428), (394, 32714), (788, 16357), (1487, 8668), (2167, 5948), (2974, 4334)]