28806809458

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{2381}}^1$

素因数の和:2939

約数の個数: 64

約数和(自身を含む): 51946960896

約数和(自身を除く): 23140151438

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 457, 854, 914, 1891, 2381, 3199, 3782, 4762, 6398, 13237, 14167, 16667, 26474, 27877, 28334, 33334, 55754, 73811, 99169, 145241, 147622, 195139, 198338, 290482, 390278, 516677, 864187, 1016687, 1033354, 1088117, 1728374, 2033374, 2176234, 4502471, 6049309, 7616819, 9004942, 12098618, 15233638, 31517297, 33731627, 63034594, 66375137, 67463254, 132750274, 236121389, 464625959, 472242778, 929251918, 2057629247, 4115258494, 14403404729, 28806809458]

約数ペア:

[(1, 28806809458), (2, 14403404729), (7, 4115258494), (14, 2057629247), (31, 929251918), (61, 472242778), (62, 464625959), (122, 236121389), (217, 132750274), (427, 67463254), (434, 66375137), (457, 63034594), (854, 33731627), (914, 31517297), (1891, 15233638), (2381, 12098618), (3199, 9004942), (3782, 7616819), (4762, 6049309), (6398, 4502471), (13237, 2176234), (14167, 2033374), (16667, 1728374), (26474, 1088117), (27877, 1033354), (28334, 1016687), (33334, 864187), (55754, 516677), (73811, 390278), (99169, 290482), (145241, 198338), (147622, 195139)]