9988212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 25699520

約数和(自身を除く): 15711308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1489, 1677, 2236, 2978, 3354, 4467, 5956, 6708, 8934, 17868, 19357, 38714, 58071, 64027, 77428, 116142, 128054, 192081, 232284, 256108, 384162, 768324, 832351, 1664702, 2497053, 3329404, 4994106, 9988212]

約数ペア:

[(1, 9988212), (2, 4994106), (3, 3329404), (4, 2497053), (6, 1664702), (12, 832351), (13, 768324), (26, 384162), (39, 256108), (43, 232284), (52, 192081), (78, 128054), (86, 116142), (129, 77428), (156, 64027), (172, 58071), (258, 38714), (516, 19357), (559, 17868), (1118, 8934), (1489, 6708), (1677, 5956), (2236, 4467), (2978, 3354)]