784404

素因数分解:

$2^2\times 3^6\times {\mathrm{269}}^1$

素因数の和:291

約数の個数: 42

約数和(自身を含む): 2065770

約数和(自身を除く): 1281366

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 269, 324, 486, 538, 729, 807, 972, 1076, 1458, 1614, 2421, 2916, 3228, 4842, 7263, 9684, 14526, 21789, 29052, 43578, 65367, 87156, 130734, 196101, 261468, 392202, 784404]

約数ペア:

[(1, 784404), (2, 392202), (3, 261468), (4, 196101), (6, 130734), (9, 87156), (12, 65367), (18, 43578), (27, 29052), (36, 21789), (54, 14526), (81, 9684), (108, 7263), (162, 4842), (243, 3228), (269, 2916), (324, 2421), (486, 1614), (538, 1458), (729, 1076), (807, 972)]