647937472

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111253}}^1$

素因数の和:111285

約数の個数: 56

約数和(自身を含む): 1582476896

約数和(自身を除く): 934539424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 111253, 222506, 445012, 778771, 890024, 1446289, 1557542, 1780048, 2892578, 3115084, 3560096, 5785156, 6230168, 7120192, 10124023, 11570312, 12460336, 20248046, 23140624, 24920672, 40496092, 46281248, 49841344, 80992184, 92562496, 161984368, 323968736, 647937472]

約数ペア:

[(1, 647937472), (2, 323968736), (4, 161984368), (7, 92562496), (8, 80992184), (13, 49841344), (14, 46281248), (16, 40496092), (26, 24920672), (28, 23140624), (32, 20248046), (52, 12460336), (56, 11570312), (64, 10124023), (91, 7120192), (104, 6230168), (112, 5785156), (182, 3560096), (208, 3115084), (224, 2892578), (364, 1780048), (416, 1557542), (448, 1446289), (728, 890024), (832, 778771), (1456, 445012), (2912, 222506), (5824, 111253)]