16971001490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{11677}}^1$

素因数の和:11867

約数の個数: 64

約数和(自身を含む): 32690926080

約数和(自身を除く): 15719924590

約数列:

[1, 2, 5, 10, 23, 46, 71, 89, 115, 142, 178, 230, 355, 445, 710, 890, 1633, 2047, 3266, 4094, 6319, 8165, 10235, 11677, 12638, 16330, 20470, 23354, 31595, 58385, 63190, 116770, 145337, 268571, 290674, 537142, 726685, 829067, 1039253, 1342855, 1453370, 1658134, 2078506, 2685710, 4145335, 5196265, 8290670, 10392530, 19068541, 23902819, 38137082, 47805638, 73786963, 95342705, 119514095, 147573926, 190685410, 239028190, 368934815, 737869630, 1697100149, 3394200298, 8485500745, 16971001490]

約数ペア:

[(1, 16971001490), (2, 8485500745), (5, 3394200298), (10, 1697100149), (23, 737869630), (46, 368934815), (71, 239028190), (89, 190685410), (115, 147573926), (142, 119514095), (178, 95342705), (230, 73786963), (355, 47805638), (445, 38137082), (710, 23902819), (890, 19068541), (1633, 10392530), (2047, 8290670), (3266, 5196265), (4094, 4145335), (6319, 2685710), (8165, 2078506), (10235, 1658134), (11677, 1453370), (12638, 1342855), (16330, 1039253), (20470, 829067), (23354, 726685), (31595, 537142), (58385, 290674), (63190, 268571), (116770, 145337)]