197486890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{769}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 362633040

約数和(自身を除く): 165146150

約数列:

[1, 2, 5, 10, 61, 122, 305, 421, 610, 769, 842, 1538, 2105, 3845, 4210, 7690, 25681, 46909, 51362, 93818, 128405, 234545, 256810, 323749, 469090, 647498, 1618745, 3237490, 19748689, 39497378, 98743445, 197486890]

約数ペア:

[(1, 197486890), (2, 98743445), (5, 39497378), (10, 19748689), (61, 3237490), (122, 1618745), (305, 647498), (421, 469090), (610, 323749), (769, 256810), (842, 234545), (1538, 128405), (2105, 93818), (3845, 51362), (4210, 46909), (7690, 25681)]