399708858

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{12119}}^1$

素因数の和:12386

約数の個数: 32

約数和(自身を含む): 837734400

約数和(自身を除く): 438025542

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 239, 478, 717, 1434, 5497, 10994, 12119, 16491, 24238, 32982, 36357, 72714, 278737, 557474, 836211, 1672422, 2896441, 5792882, 8689323, 17378646, 66618143, 133236286, 199854429, 399708858]

約数ペア:

[(1, 399708858), (2, 199854429), (3, 133236286), (6, 66618143), (23, 17378646), (46, 8689323), (69, 5792882), (138, 2896441), (239, 1672422), (478, 836211), (717, 557474), (1434, 278737), (5497, 72714), (10994, 36357), (12119, 32982), (16491, 24238)]