28757608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 63763200

約数和(自身を除く): 35005592

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 47, 68, 88, 94, 136, 187, 188, 374, 376, 409, 517, 748, 799, 818, 1034, 1496, 1598, 1636, 2068, 3196, 3272, 4136, 4499, 6392, 6953, 8789, 8998, 13906, 17578, 17996, 19223, 27812, 35156, 35992, 38446, 55624, 70312, 76483, 76892, 152966, 153784, 211453, 305932, 326791, 422906, 611864, 653582, 845812, 1307164, 1691624, 2614328, 3594701, 7189402, 14378804, 28757608]

約数ペア:

[(1, 28757608), (2, 14378804), (4, 7189402), (8, 3594701), (11, 2614328), (17, 1691624), (22, 1307164), (34, 845812), (44, 653582), (47, 611864), (68, 422906), (88, 326791), (94, 305932), (136, 211453), (187, 153784), (188, 152966), (374, 76892), (376, 76483), (409, 70312), (517, 55624), (748, 38446), (799, 35992), (818, 35156), (1034, 27812), (1496, 19223), (1598, 17996), (1636, 17578), (2068, 13906), (3196, 8998), (3272, 8789), (4136, 6953), (4499, 6392)]