86720218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{503}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 148176000

約数和(自身を除く): 61455782

約数列:

[1, 2, 13, 19, 26, 38, 247, 349, 494, 503, 698, 1006, 4537, 6539, 6631, 9074, 9557, 13078, 13262, 19114, 86203, 124241, 172406, 175547, 248482, 351094, 2282111, 3335393, 4564222, 6670786, 43360109, 86720218]

約数ペア:

[(1, 86720218), (2, 43360109), (13, 6670786), (19, 4564222), (26, 3335393), (38, 2282111), (247, 351094), (349, 248482), (494, 175547), (503, 172406), (698, 124241), (1006, 86203), (4537, 19114), (6539, 13262), (6631, 13078), (9074, 9557)]