28886286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 68656896

約数和(自身を除く): 39770610

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 257, 262, 286, 393, 429, 514, 771, 786, 858, 1441, 1542, 1703, 2827, 2882, 3341, 3406, 4323, 5109, 5654, 6682, 8481, 8646, 10023, 10218, 16962, 18733, 20046, 33667, 36751, 37466, 56199, 67334, 73502, 101001, 110253, 112398, 202002, 220506, 370337, 437671, 740674, 875342, 1111011, 1313013, 2222022, 2626026, 4814381, 9628762, 14443143, 28886286]

約数ペア:

[(1, 28886286), (2, 14443143), (3, 9628762), (6, 4814381), (11, 2626026), (13, 2222022), (22, 1313013), (26, 1111011), (33, 875342), (39, 740674), (66, 437671), (78, 370337), (131, 220506), (143, 202002), (257, 112398), (262, 110253), (286, 101001), (393, 73502), (429, 67334), (514, 56199), (771, 37466), (786, 36751), (858, 33667), (1441, 20046), (1542, 18733), (1703, 16962), (2827, 10218), (2882, 10023), (3341, 8646), (3406, 8481), (4323, 6682), (5109, 5654)]