87990616

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{8681}}^1$

素因数の和:8875

約数の個数: 32

約数和(自身を含む): 189614880

約数和(自身を除く): 101624264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2534, 5068, 8681, 10136, 17362, 34724, 60767, 69448, 121534, 243068, 486136, 1571261, 3142522, 6285044, 10998827, 12570088, 21997654, 43995308, 87990616]

約数ペア:

[(1, 87990616), (2, 43995308), (4, 21997654), (7, 12570088), (8, 10998827), (14, 6285044), (28, 3142522), (56, 1571261), (181, 486136), (362, 243068), (724, 121534), (1267, 69448), (1448, 60767), (2534, 34724), (5068, 17362), (8681, 10136)]