247946105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 363389760

約数和(自身を除く): 115443655

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 289, 323, 821, 935, 1045, 1445, 1615, 3179, 3553, 4105, 5491, 9031, 13957, 15599, 15895, 17765, 27455, 45155, 60401, 69785, 77995, 153527, 171589, 237269, 265183, 302005, 767635, 857945, 1186345, 1325915, 2609959, 2917013, 4508111, 13049795, 14585065, 22540555, 49589221, 247946105]

約数ペア:

[(1, 247946105), (5, 49589221), (11, 22540555), (17, 14585065), (19, 13049795), (55, 4508111), (85, 2917013), (95, 2609959), (187, 1325915), (209, 1186345), (289, 857945), (323, 767635), (821, 302005), (935, 265183), (1045, 237269), (1445, 171589), (1615, 153527), (3179, 77995), (3553, 69785), (4105, 60401), (5491, 45155), (9031, 27455), (13957, 17765), (15599, 15895)]