489328

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 1151712

約数和(自身を除く): 662384

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 257, 272, 476, 514, 952, 1028, 1799, 1904, 2056, 3598, 4112, 4369, 7196, 8738, 14392, 17476, 28784, 30583, 34952, 61166, 69904, 122332, 244664, 489328]

約数ペア:

[(1, 489328), (2, 244664), (4, 122332), (7, 69904), (8, 61166), (14, 34952), (16, 30583), (17, 28784), (28, 17476), (34, 14392), (56, 8738), (68, 7196), (112, 4369), (119, 4112), (136, 3598), (238, 2056), (257, 1904), (272, 1799), (476, 1028), (514, 952)]