1640697424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1237}}^1\times {\mathrm{4363}}^1$

素因数の和:5627

約数の個数: 40

約数和(自身を含む): 3349631840

約数和(自身を除く): 1708934416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1237, 2474, 4363, 4948, 8726, 9896, 17452, 19792, 23503, 34904, 47006, 69808, 82897, 94012, 165794, 188024, 331588, 376048, 663176, 1326352, 5397031, 10794062, 21588124, 43176248, 86352496, 102543589, 205087178, 410174356, 820348712, 1640697424]

約数ペア:

[(1, 1640697424), (2, 820348712), (4, 410174356), (8, 205087178), (16, 102543589), (19, 86352496), (38, 43176248), (76, 21588124), (152, 10794062), (304, 5397031), (1237, 1326352), (2474, 663176), (4363, 376048), (4948, 331588), (8726, 188024), (9896, 165794), (17452, 94012), (19792, 82897), (23503, 69808), (34904, 47006)]