2780484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 7526400

約数和(自身を除く): 4745916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 419, 474, 553, 838, 948, 1106, 1257, 1659, 1676, 2212, 2514, 2933, 3318, 5028, 5866, 6636, 8799, 11732, 17598, 33101, 35196, 66202, 99303, 132404, 198606, 231707, 397212, 463414, 695121, 926828, 1390242, 2780484]

約数ペア:

[(1, 2780484), (2, 1390242), (3, 926828), (4, 695121), (6, 463414), (7, 397212), (12, 231707), (14, 198606), (21, 132404), (28, 99303), (42, 66202), (79, 35196), (84, 33101), (158, 17598), (237, 11732), (316, 8799), (419, 6636), (474, 5866), (553, 5028), (838, 3318), (948, 2933), (1106, 2514), (1257, 2212), (1659, 1676)]