820348712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1237}}^1\times {\mathrm{4363}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 1620789600

約数和(自身を除く): 800440888

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1237, 2474, 4363, 4948, 8726, 9896, 17452, 23503, 34904, 47006, 82897, 94012, 165794, 188024, 331588, 663176, 5397031, 10794062, 21588124, 43176248, 102543589, 205087178, 410174356, 820348712]

約数ペア:

[(1, 820348712), (2, 410174356), (4, 205087178), (8, 102543589), (19, 43176248), (38, 21588124), (76, 10794062), (152, 5397031), (1237, 663176), (2474, 331588), (4363, 188024), (4948, 165794), (8726, 94012), (9896, 82897), (17452, 47006), (23503, 34904)]