201716728

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{1223}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 386661600

約数和(自身を除く): 184944872

約数列:

[1, 2, 4, 8, 53, 106, 212, 389, 424, 778, 1223, 1556, 2446, 3112, 4892, 9784, 20617, 41234, 64819, 82468, 129638, 164936, 259276, 475747, 518552, 951494, 1902988, 3805976, 25214591, 50429182, 100858364, 201716728]

約数ペア:

[(1, 201716728), (2, 100858364), (4, 50429182), (8, 25214591), (53, 3805976), (106, 1902988), (212, 951494), (389, 518552), (424, 475747), (778, 259276), (1223, 164936), (1556, 129638), (2446, 82468), (3112, 64819), (4892, 41234), (9784, 20617)]