389618964

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{515369}}^1$

素因数の和:515389

約数の個数: 48

約数和(自身を含む): 1154428800

約数和(自身を除く): 764809836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 515369, 1030738, 1546107, 2061476, 3092214, 3607583, 4638321, 6184428, 7215166, 9276642, 10822749, 13914963, 14430332, 18553284, 21645498, 27829926, 32468247, 43290996, 55659852, 64936494, 97404741, 129872988, 194809482, 389618964]

約数ペア:

[(1, 389618964), (2, 194809482), (3, 129872988), (4, 97404741), (6, 64936494), (7, 55659852), (9, 43290996), (12, 32468247), (14, 27829926), (18, 21645498), (21, 18553284), (27, 14430332), (28, 13914963), (36, 10822749), (42, 9276642), (54, 7215166), (63, 6184428), (84, 4638321), (108, 3607583), (126, 3092214), (189, 2061476), (252, 1546107), (378, 1030738), (756, 515369)]