222747847

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 273530880

約数和(自身を除く): 50783033

約数列:

[1, 7, 23, 79, 83, 161, 211, 553, 581, 1477, 1817, 1909, 4853, 6557, 12719, 13363, 16669, 17513, 33971, 45899, 116683, 122591, 150811, 383387, 402799, 1055677, 1383527, 2683709, 2819593, 9684689, 31821121, 222747847]

約数ペア:

[(1, 222747847), (7, 31821121), (23, 9684689), (79, 2819593), (83, 2683709), (161, 1383527), (211, 1055677), (553, 402799), (581, 383387), (1477, 150811), (1817, 122591), (1909, 116683), (4853, 45899), (6557, 33971), (12719, 17513), (13363, 16669)]