728604656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{112997}}^1$

素因数の和:113049

約数の個数: 40

約数和(自身を含む): 1569316224

約数和(自身を除く): 840711568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 112997, 225994, 451988, 903976, 1468961, 1807952, 2937922, 3502907, 5875844, 7005814, 11751688, 14011628, 23503376, 28023256, 45537791, 56046512, 91075582, 182151164, 364302328, 728604656]

約数ペア:

[(1, 728604656), (2, 364302328), (4, 182151164), (8, 91075582), (13, 56046512), (16, 45537791), (26, 28023256), (31, 23503376), (52, 14011628), (62, 11751688), (104, 7005814), (124, 5875844), (208, 3502907), (248, 2937922), (403, 1807952), (496, 1468961), (806, 903976), (1612, 451988), (3224, 225994), (6448, 112997)]