3998390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 7934976

約数和(自身を除く): 3936586

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 223, 326, 446, 815, 1115, 1630, 1793, 2230, 2453, 3586, 4906, 8965, 12265, 17930, 24530, 36349, 72698, 181745, 363490, 399839, 799678, 1999195, 3998390]

約数ペア:

[(1, 3998390), (2, 1999195), (5, 799678), (10, 399839), (11, 363490), (22, 181745), (55, 72698), (110, 36349), (163, 24530), (223, 17930), (326, 12265), (446, 8965), (815, 4906), (1115, 3586), (1630, 2453), (1793, 2230)]