198081566

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 317011968

約数和(自身を除く): 118930402

約数列:

[1, 2, 23, 46, 97, 103, 194, 206, 431, 862, 2231, 2369, 4462, 4738, 9913, 9991, 19826, 19982, 41807, 44393, 83614, 88786, 229793, 459586, 961561, 1021039, 1923122, 2042078, 4306121, 8612242, 99040783, 198081566]

約数ペア:

[(1, 198081566), (2, 99040783), (23, 8612242), (46, 4306121), (97, 2042078), (103, 1923122), (194, 1021039), (206, 961561), (431, 459586), (862, 229793), (2231, 88786), (2369, 83614), (4462, 44393), (4738, 41807), (9913, 19982), (9991, 19826)]