199465915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1583}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 74249285

約数列:

[1, 5, 11, 29, 55, 79, 145, 319, 395, 869, 1583, 1595, 2291, 4345, 7915, 11455, 17413, 25201, 45907, 87065, 125057, 126005, 229535, 504977, 625285, 1375627, 2524885, 3626653, 6878135, 18133265, 39893183, 199465915]

約数ペア:

[(1, 199465915), (5, 39893183), (11, 18133265), (29, 6878135), (55, 3626653), (79, 2524885), (145, 1375627), (319, 625285), (395, 504977), (869, 229535), (1583, 126005), (1595, 125057), (2291, 87065), (4345, 45907), (7915, 25201), (11455, 17413)]