128972652

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{249947}}^1$

素因数の和:249997

約数の個数: 24

約数和(自身を含む): 307935936

約数和(自身を除く): 178963284

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 249947, 499894, 749841, 999788, 1499682, 2999364, 10747721, 21495442, 32243163, 42990884, 64486326, 128972652]

約数ペア:

[(1, 128972652), (2, 64486326), (3, 42990884), (4, 32243163), (6, 21495442), (12, 10747721), (43, 2999364), (86, 1499682), (129, 999788), (172, 749841), (258, 499894), (516, 249947)]