289028556

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{20639}}^1$

素因数の和:21038

約数の個数: 36

約数和(自身を含む): 732513600

約数和(自身を除く): 443485044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1556, 2334, 3501, 4668, 7002, 14004, 20639, 41278, 61917, 82556, 123834, 185751, 247668, 371502, 743004, 8028571, 16057142, 24085713, 32114284, 48171426, 72257139, 96342852, 144514278, 289028556]

約数ペア:

[(1, 289028556), (2, 144514278), (3, 96342852), (4, 72257139), (6, 48171426), (9, 32114284), (12, 24085713), (18, 16057142), (36, 8028571), (389, 743004), (778, 371502), (1167, 247668), (1556, 185751), (2334, 123834), (3501, 82556), (4668, 61917), (7002, 41278), (14004, 20639)]