207921170

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 379036800

約数和(自身を除く): 171115630

約数列:

[1, 2, 5, 10, 163, 199, 326, 398, 641, 815, 995, 1282, 1630, 1990, 3205, 6410, 32437, 64874, 104483, 127559, 162185, 208966, 255118, 324370, 522415, 637795, 1044830, 1275590, 20792117, 41584234, 103960585, 207921170]

約数ペア:

[(1, 207921170), (2, 103960585), (5, 41584234), (10, 20792117), (163, 1275590), (199, 1044830), (326, 637795), (398, 522415), (641, 324370), (815, 255118), (995, 208966), (1282, 162185), (1630, 127559), (1990, 104483), (3205, 64874), (6410, 32437)]