138836225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1259}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 188425440

約数和(自身を除く): 49589215

約数列:

[1, 5, 11, 25, 55, 275, 401, 1259, 2005, 4411, 6295, 10025, 13849, 22055, 31475, 69245, 110275, 346225, 504859, 2524295, 5553449, 12621475, 27767245, 138836225]

約数ペア:

[(1, 138836225), (5, 27767245), (11, 12621475), (25, 5553449), (55, 2524295), (275, 504859), (401, 346225), (1259, 110275), (2005, 69245), (4411, 31475), (6295, 22055), (10025, 13849)]