31211937712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{261389}}^1$

素因数の和:261853

約数の個数: 40

約数和(自身を含む): 64176472800

約数和(自身を除く): 32964535088

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 439, 878, 1756, 3512, 7024, 7463, 14926, 29852, 59704, 119408, 261389, 522778, 1045556, 2091112, 4182224, 4443613, 8887226, 17774452, 35548904, 71097808, 114749771, 229499542, 458999084, 917998168, 1835996336, 1950746107, 3901492214, 7802984428, 15605968856, 31211937712]

約数ペア:

[(1, 31211937712), (2, 15605968856), (4, 7802984428), (8, 3901492214), (16, 1950746107), (17, 1835996336), (34, 917998168), (68, 458999084), (136, 229499542), (272, 114749771), (439, 71097808), (878, 35548904), (1756, 17774452), (3512, 8887226), (7024, 4443613), (7463, 4182224), (14926, 2091112), (29852, 1045556), (59704, 522778), (119408, 261389)]