78920334

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1785

約数の個数: 48

約数和(自身を含む): 178195680

約数和(自身を除く): 99275346

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 426, 639, 666, 1278, 1669, 2627, 3338, 5007, 5254, 7881, 10014, 15021, 15762, 23643, 30042, 47286, 61753, 118499, 123506, 185259, 236998, 355497, 370518, 555777, 710994, 1066491, 1111554, 2132982, 4384463, 8768926, 13153389, 26306778, 39460167, 78920334]

約数ペア:

[(1, 78920334), (2, 39460167), (3, 26306778), (6, 13153389), (9, 8768926), (18, 4384463), (37, 2132982), (71, 1111554), (74, 1066491), (111, 710994), (142, 555777), (213, 370518), (222, 355497), (333, 236998), (426, 185259), (639, 123506), (666, 118499), (1278, 61753), (1669, 47286), (2627, 30042), (3338, 23643), (5007, 15762), (5254, 15021), (7881, 10014)]