880778847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{1997}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 1299691008

約数和(自身を除く): 418912161

約数列:

[1, 3, 13, 39, 43, 129, 263, 559, 789, 1677, 1997, 3419, 5991, 10257, 11309, 25961, 33927, 77883, 85871, 147017, 257613, 441051, 525211, 1116323, 1575633, 3348969, 6827743, 20483229, 22584073, 67752219, 293592949, 880778847]

約数ペア:

[(1, 880778847), (3, 293592949), (13, 67752219), (39, 22584073), (43, 20483229), (129, 6827743), (263, 3348969), (559, 1575633), (789, 1116323), (1677, 525211), (1997, 441051), (3419, 257613), (5991, 147017), (10257, 85871), (11309, 77883), (25961, 33927)]