128587974

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{498403}}^1$

素因数の和:498451

約数の個数: 16

約数和(自身を含む): 263157312

約数和(自身を除く): 134569338

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 498403, 996806, 1495209, 2990418, 21431329, 42862658, 64293987, 128587974]

約数ペア:

[(1, 128587974), (2, 64293987), (3, 42862658), (6, 21431329), (43, 2990418), (86, 1495209), (129, 996806), (258, 498403)]