217997412

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{9857}}^1$

素因数の和:9980

約数の個数: 48

約数和(自身を含む): 541007040

約数和(自身を除く): 323009628

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 97, 114, 194, 228, 291, 388, 582, 1164, 1843, 3686, 5529, 7372, 9857, 11058, 19714, 22116, 29571, 39428, 59142, 118284, 187283, 374566, 561849, 749132, 956129, 1123698, 1912258, 2247396, 2868387, 3824516, 5736774, 11473548, 18166451, 36332902, 54499353, 72665804, 108998706, 217997412]

約数ペア:

[(1, 217997412), (2, 108998706), (3, 72665804), (4, 54499353), (6, 36332902), (12, 18166451), (19, 11473548), (38, 5736774), (57, 3824516), (76, 2868387), (97, 2247396), (114, 1912258), (194, 1123698), (228, 956129), (291, 749132), (388, 561849), (582, 374566), (1164, 187283), (1843, 118284), (3686, 59142), (5529, 39428), (7372, 29571), (9857, 22116), (11058, 19714)]