25440818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 17137102

約数列:

[1, 2, 13, 26, 47, 94, 109, 191, 218, 382, 611, 1222, 1417, 2483, 2834, 4966, 5123, 8977, 10246, 17954, 20819, 41638, 66599, 116701, 133198, 233402, 270647, 541294, 978493, 1956986, 12720409, 25440818]

約数ペア:

[(1, 25440818), (2, 12720409), (13, 1956986), (26, 978493), (47, 541294), (94, 270647), (109, 233402), (191, 133198), (218, 116701), (382, 66599), (611, 41638), (1222, 20819), (1417, 17954), (2483, 10246), (2834, 8977), (4966, 5123)]