28064008

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37254392

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 56, 68, 82, 119, 136, 164, 238, 287, 328, 476, 574, 697, 719, 952, 1148, 1394, 1438, 2296, 2788, 2876, 4879, 5033, 5576, 5752, 9758, 10066, 12223, 19516, 20132, 24446, 29479, 39032, 40264, 48892, 58958, 85561, 97784, 117916, 171122, 206353, 235832, 342244, 412706, 501143, 684488, 825412, 1002286, 1650824, 2004572, 3508001, 4009144, 7016002, 14032004, 28064008]

約数ペア:

[(1, 28064008), (2, 14032004), (4, 7016002), (7, 4009144), (8, 3508001), (14, 2004572), (17, 1650824), (28, 1002286), (34, 825412), (41, 684488), (56, 501143), (68, 412706), (82, 342244), (119, 235832), (136, 206353), (164, 171122), (238, 117916), (287, 97784), (328, 85561), (476, 58958), (574, 48892), (697, 40264), (719, 39032), (952, 29479), (1148, 24446), (1394, 20132), (1438, 19516), (2296, 12223), (2788, 10066), (2876, 9758), (4879, 5752), (5033, 5576)]