268018975

素因数分解:

$5^2\times 7^2\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1016

約数の個数: 36

約数和(自身を含む): 388358328

約数和(自身を除く): 120339353

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 331, 661, 1225, 1655, 2317, 3305, 4627, 8275, 11585, 16219, 16525, 23135, 32389, 57925, 81095, 115675, 161945, 218791, 405475, 809725, 1093955, 1531537, 5469775, 7657685, 10720759, 38288425, 53603795, 268018975]

約数ペア:

[(1, 268018975), (5, 53603795), (7, 38288425), (25, 10720759), (35, 7657685), (49, 5469775), (175, 1531537), (245, 1093955), (331, 809725), (661, 405475), (1225, 218791), (1655, 161945), (2317, 115675), (3305, 81095), (4627, 57925), (8275, 32389), (11585, 23135), (16219, 16525)]