520199394

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1447}}^1$

素因数の和:1895

約数の個数: 64

約数和(自身を含む): 1226050560

約数和(自身を除く): 705851166

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 419, 429, 838, 858, 1257, 1447, 2514, 2894, 4341, 4609, 5447, 8682, 9218, 10894, 13827, 15917, 16341, 18811, 27654, 31834, 32682, 37622, 47751, 56433, 59917, 95502, 112866, 119834, 179751, 206921, 359502, 413842, 606293, 620763, 1212586, 1241526, 1818879, 3637758, 6669223, 7881809, 13338446, 15763618, 20007669, 23645427, 40015338, 47290854, 86699899, 173399798, 260099697, 520199394]

約数ペア:

[(1, 520199394), (2, 260099697), (3, 173399798), (6, 86699899), (11, 47290854), (13, 40015338), (22, 23645427), (26, 20007669), (33, 15763618), (39, 13338446), (66, 7881809), (78, 6669223), (143, 3637758), (286, 1818879), (419, 1241526), (429, 1212586), (838, 620763), (858, 606293), (1257, 413842), (1447, 359502), (2514, 206921), (2894, 179751), (4341, 119834), (4609, 112866), (5447, 95502), (8682, 59917), (9218, 56433), (10894, 47751), (13827, 37622), (15917, 32682), (16341, 31834), (18811, 27654)]