78640016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54011}}^1$

素因数の和:54039

約数の個数: 40

約数和(自身を含む): 187529664

約数和(自身を除く): 108889648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 54011, 108022, 216044, 378077, 432088, 702143, 756154, 864176, 1404286, 1512308, 2808572, 3024616, 4915001, 5617144, 6049232, 9830002, 11234288, 19660004, 39320008, 78640016]

約数ペア:

[(1, 78640016), (2, 39320008), (4, 19660004), (7, 11234288), (8, 9830002), (13, 6049232), (14, 5617144), (16, 4915001), (26, 3024616), (28, 2808572), (52, 1512308), (56, 1404286), (91, 864176), (104, 756154), (112, 702143), (182, 432088), (208, 378077), (364, 216044), (728, 108022), (1456, 54011)]