128972484

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{16979}}^1$

素因数の和:17200

約数の個数: 36

約数和(自身を含む): 327578160

約数和(自身を除く): 198605676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 3798, 7596, 16979, 33958, 50937, 67916, 101874, 152811, 203748, 305622, 611244, 3582569, 7165138, 10747707, 14330276, 21495414, 32243121, 42990828, 64486242, 128972484]

約数ペア:

[(1, 128972484), (2, 64486242), (3, 42990828), (4, 32243121), (6, 21495414), (9, 14330276), (12, 10747707), (18, 7165138), (36, 3582569), (211, 611244), (422, 305622), (633, 203748), (844, 152811), (1266, 101874), (1899, 67916), (2532, 50937), (3798, 33958), (7596, 16979)]