219973325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 329312256

約数和(自身を除く): 109338931

約数列:

[1, 5, 11, 13, 25, 37, 55, 65, 143, 185, 275, 325, 407, 481, 715, 925, 1663, 2035, 2405, 3575, 5291, 8315, 10175, 12025, 18293, 21619, 26455, 41575, 61531, 91465, 108095, 132275, 237809, 307655, 457325, 540475, 676841, 799903, 1189045, 1538275, 3384205, 3999515, 5945225, 8798933, 16921025, 19997575, 43994665, 219973325]

約数ペア:

[(1, 219973325), (5, 43994665), (11, 19997575), (13, 16921025), (25, 8798933), (37, 5945225), (55, 3999515), (65, 3384205), (143, 1538275), (185, 1189045), (275, 799903), (325, 676841), (407, 540475), (481, 457325), (715, 307655), (925, 237809), (1663, 132275), (2035, 108095), (2405, 91465), (3575, 61531), (5291, 41575), (8315, 26455), (10175, 21619), (12025, 18293)]