890347978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{5737}}^1$

素因数の和:5926

約数の個数: 32

約数和(自身を含む): 1480679424

約数和(自身を除く): 590331446

約数列:

[1, 2, 13, 26, 47, 94, 127, 254, 611, 1222, 1651, 3302, 5737, 5969, 11474, 11938, 74581, 77597, 149162, 155194, 269639, 539278, 728599, 1457198, 3505307, 7010614, 9471787, 18943574, 34244153, 68488306, 445173989, 890347978]

約数ペア:

[(1, 890347978), (2, 445173989), (13, 68488306), (26, 34244153), (47, 18943574), (94, 9471787), (127, 7010614), (254, 3505307), (611, 1457198), (1222, 728599), (1651, 539278), (3302, 269639), (5737, 155194), (5969, 149162), (11474, 77597), (11938, 74581)]