1287906904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{19163}}^1$

素因数の和:19471

約数の個数: 32

約数和(自身を含む): 2502051840

約数和(自身を除く): 1214144936

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 271, 542, 1084, 2168, 8401, 16802, 19163, 33604, 38326, 67208, 76652, 153304, 594053, 1188106, 2376212, 4752424, 5193173, 10386346, 20772692, 41545384, 160988363, 321976726, 643953452, 1287906904]

約数ペア:

[(1, 1287906904), (2, 643953452), (4, 321976726), (8, 160988363), (31, 41545384), (62, 20772692), (124, 10386346), (248, 5193173), (271, 4752424), (542, 2376212), (1084, 1188106), (2168, 594053), (8401, 153304), (16802, 76652), (19163, 67208), (33604, 38326)]