7453225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 11249280

約数和(自身を除く): 3796055

約数列:

[1, 5, 13, 17, 19, 25, 65, 71, 85, 95, 221, 247, 323, 325, 355, 425, 475, 923, 1105, 1207, 1235, 1349, 1615, 1775, 4199, 4615, 5525, 6035, 6175, 6745, 8075, 15691, 17537, 20995, 22933, 23075, 30175, 33725, 78455, 87685, 104975, 114665, 298129, 392275, 438425, 573325, 1490645, 7453225]

約数ペア:

[(1, 7453225), (5, 1490645), (13, 573325), (17, 438425), (19, 392275), (25, 298129), (65, 114665), (71, 104975), (85, 87685), (95, 78455), (221, 33725), (247, 30175), (323, 23075), (325, 22933), (355, 20995), (425, 17537), (475, 15691), (923, 8075), (1105, 6745), (1207, 6175), (1235, 6035), (1349, 5525), (1615, 4615), (1775, 4199)]