216881075

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 274649088

約数和(自身を除く): 57768013

約数列:

[1, 5, 25, 83, 127, 415, 635, 823, 2075, 3175, 4115, 10541, 20575, 52705, 68309, 104521, 263525, 341545, 522605, 1707725, 2613025, 8675243, 43376215, 216881075]

約数ペア:

[(1, 216881075), (5, 43376215), (25, 8675243), (83, 2613025), (127, 1707725), (415, 522605), (635, 341545), (823, 263525), (2075, 104521), (3175, 68309), (4115, 52705), (10541, 20575)]