989339912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{17539}}^1$

素因数の和:18197

約数の個数: 32

約数和(自身を含む): 2026922400

約数和(自身を除く): 1037582488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 641, 1282, 2564, 5128, 7051, 14102, 17539, 28204, 35078, 56408, 70156, 140312, 192929, 385858, 771716, 1543432, 11242499, 22484998, 44969996, 89939992, 123667489, 247334978, 494669956, 989339912]

約数ペア:

[(1, 989339912), (2, 494669956), (4, 247334978), (8, 123667489), (11, 89939992), (22, 44969996), (44, 22484998), (88, 11242499), (641, 1543432), (1282, 771716), (2564, 385858), (5128, 192929), (7051, 140312), (14102, 70156), (17539, 56408), (28204, 35078)]