25790921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 30357504

約数和(自身を除く): 4566583

約数列:

[1, 13, 17, 47, 169, 191, 221, 611, 799, 2483, 2873, 3247, 7943, 8977, 10387, 32279, 42211, 116701, 135031, 152609, 548743, 1517113, 1983917, 25790921]

約数ペア:

[(1, 25790921), (13, 1983917), (17, 1517113), (47, 548743), (169, 152609), (191, 135031), (221, 116701), (611, 42211), (799, 32279), (2483, 10387), (2873, 8977), (3247, 7943)]