31268525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 44193600

約数和(自身を除く): 12925075

約数列:

[1, 5, 17, 25, 29, 43, 59, 85, 145, 215, 295, 425, 493, 725, 731, 1003, 1075, 1247, 1475, 1711, 2465, 2537, 3655, 5015, 6235, 8555, 12325, 12685, 18275, 21199, 25075, 29087, 31175, 42775, 43129, 63425, 73573, 105995, 145435, 215645, 367865, 529975, 727175, 1078225, 1250741, 1839325, 6253705, 31268525]

約数ペア:

[(1, 31268525), (5, 6253705), (17, 1839325), (25, 1250741), (29, 1078225), (43, 727175), (59, 529975), (85, 367865), (145, 215645), (215, 145435), (295, 105995), (425, 73573), (493, 63425), (725, 43129), (731, 42775), (1003, 31175), (1075, 29087), (1247, 25075), (1475, 21199), (1711, 18275), (2465, 12685), (2537, 12325), (3655, 8555), (5015, 6235)]