28268968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 68515200

約数和(自身を除く): 40246232

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 103, 104, 116, 169, 182, 203, 206, 232, 338, 364, 377, 406, 412, 676, 721, 728, 754, 812, 824, 1183, 1339, 1352, 1442, 1508, 1624, 2366, 2639, 2678, 2884, 2987, 3016, 4732, 4901, 5278, 5356, 5768, 5974, 9373, 9464, 9802, 10556, 10712, 11948, 17407, 18746, 19604, 20909, 21112, 23896, 34307, 34814, 37492, 38831, 39208, 41818, 68614, 69628, 74984, 77662, 83636, 121849, 137228, 139256, 155324, 167272, 243698, 271817, 274456, 310648, 487396, 504803, 543634, 974792, 1009606, 1087268, 2019212, 2174536, 3533621, 4038424, 7067242, 14134484, 28268968]

約数ペア:

[(1, 28268968), (2, 14134484), (4, 7067242), (7, 4038424), (8, 3533621), (13, 2174536), (14, 2019212), (26, 1087268), (28, 1009606), (29, 974792), (52, 543634), (56, 504803), (58, 487396), (91, 310648), (103, 274456), (104, 271817), (116, 243698), (169, 167272), (182, 155324), (203, 139256), (206, 137228), (232, 121849), (338, 83636), (364, 77662), (377, 74984), (406, 69628), (412, 68614), (676, 41818), (721, 39208), (728, 38831), (754, 37492), (812, 34814), (824, 34307), (1183, 23896), (1339, 21112), (1352, 20909), (1442, 19604), (1508, 18746), (1624, 17407), (2366, 11948), (2639, 10712), (2678, 10556), (2884, 9802), (2987, 9464), (3016, 9373), (4732, 5974), (4901, 5768), (5278, 5356)]