199759958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 323568000

約数和(自身を除く): 123808042

約数列:

[1, 2, 19, 38, 59, 118, 139, 278, 641, 1121, 1282, 2242, 2641, 5282, 8201, 12179, 16402, 24358, 37819, 75638, 89099, 155819, 178198, 311638, 718561, 1437122, 1692881, 3385762, 5256841, 10513682, 99879979, 199759958]

約数ペア:

[(1, 199759958), (2, 99879979), (19, 10513682), (38, 5256841), (59, 3385762), (118, 1692881), (139, 1437122), (278, 718561), (641, 311638), (1121, 178198), (1282, 155819), (2242, 89099), (2641, 75638), (5282, 37819), (8201, 24358), (12179, 16402)]