290688736

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22541}}^1$

素因数の和:22595

約数の個数: 48

約数和(自身を含む): 636225408

約数和(自身を除く): 345536672

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 22541, 45082, 90164, 180328, 293033, 360656, 586066, 698771, 721312, 1172132, 1397542, 2344264, 2795084, 4688528, 5590168, 9084023, 9377056, 11180336, 18168046, 22360672, 36336092, 72672184, 145344368, 290688736]

約数ペア:

[(1, 290688736), (2, 145344368), (4, 72672184), (8, 36336092), (13, 22360672), (16, 18168046), (26, 11180336), (31, 9377056), (32, 9084023), (52, 5590168), (62, 4688528), (104, 2795084), (124, 2344264), (208, 1397542), (248, 1172132), (403, 721312), (416, 698771), (496, 586066), (806, 360656), (992, 293033), (1612, 180328), (3224, 90164), (6448, 45082), (12896, 22541)]