861742128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1380997}}^1$

素因数の和:1381021

約数の個数: 40

約数和(自身を含む): 2397412528

約数和(自身を除く): 1535670400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1380997, 2761994, 4142991, 5523988, 8285982, 11047976, 16571964, 17952961, 22095952, 33143928, 35905922, 53858883, 66287856, 71811844, 107717766, 143623688, 215435532, 287247376, 430871064, 861742128]

約数ペア:

[(1, 861742128), (2, 430871064), (3, 287247376), (4, 215435532), (6, 143623688), (8, 107717766), (12, 71811844), (13, 66287856), (16, 53858883), (24, 35905922), (26, 33143928), (39, 22095952), (48, 17952961), (52, 16571964), (78, 11047976), (104, 8285982), (156, 5523988), (208, 4142991), (312, 2761994), (624, 1380997)]