199280328

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{638719}}^1$

素因数の和:638741

約数の個数: 32

約数和(自身を含む): 536524800

約数和(自身を除く): 337244472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 638719, 1277438, 1916157, 2554876, 3832314, 5109752, 7664628, 8303347, 15329256, 16606694, 24910041, 33213388, 49820082, 66426776, 99640164, 199280328]

約数ペア:

[(1, 199280328), (2, 99640164), (3, 66426776), (4, 49820082), (6, 33213388), (8, 24910041), (12, 16606694), (13, 15329256), (24, 8303347), (26, 7664628), (39, 5109752), (52, 3832314), (78, 2554876), (104, 1916157), (156, 1277438), (312, 638719)]