2509045

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 40

約数和(自身を含む): 4033440

約数和(自身を除く): 1524395

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 343, 385, 539, 665, 931, 1045, 1463, 1715, 2401, 2695, 3773, 4655, 6517, 7315, 10241, 12005, 18865, 26411, 32585, 45619, 51205, 71687, 132055, 228095, 358435, 501809, 2509045]

約数ペア:

[(1, 2509045), (5, 501809), (7, 358435), (11, 228095), (19, 132055), (35, 71687), (49, 51205), (55, 45619), (77, 32585), (95, 26411), (133, 18865), (209, 12005), (245, 10241), (343, 7315), (385, 6517), (539, 4655), (665, 3773), (931, 2695), (1045, 2401), (1463, 1715)]