261635649

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5651}}^1$

素因数の和:5749

約数の個数: 32

約数和(自身を含む): 403688448

約数和(自身を除く): 142052799

約数列:

[1, 3, 11, 23, 33, 61, 69, 183, 253, 671, 759, 1403, 2013, 4209, 5651, 15433, 16953, 46299, 62161, 129973, 186483, 344711, 389919, 1034133, 1429703, 3791821, 4289109, 7928353, 11375463, 23785059, 87211883, 261635649]

約数ペア:

[(1, 261635649), (3, 87211883), (11, 23785059), (23, 11375463), (33, 7928353), (61, 4289109), (69, 3791821), (183, 1429703), (253, 1034133), (671, 389919), (759, 344711), (1403, 186483), (2013, 129973), (4209, 62161), (5651, 46299), (15433, 16953)]