28406084

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3972

約数の個数: 36

約数和(自身を含む): 59404716

約数和(自身を除く): 30998632

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 3917, 7252, 7834, 15668, 27419, 54838, 109676, 144929, 191933, 289858, 383866, 579716, 767732, 1014503, 2029006, 4058012, 7101521, 14203042, 28406084]

約数ペア:

[(1, 28406084), (2, 14203042), (4, 7101521), (7, 4058012), (14, 2029006), (28, 1014503), (37, 767732), (49, 579716), (74, 383866), (98, 289858), (148, 191933), (196, 144929), (259, 109676), (518, 54838), (1036, 27419), (1813, 15668), (3626, 7834), (3917, 7252)]