87157784

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{4001}}^1$

素因数の和:4403

約数の個数: 32

約数和(自身を含む): 187293600

約数和(自身を除く): 100135816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 1556, 2723, 3112, 4001, 5446, 8002, 10892, 16004, 21784, 28007, 32008, 56014, 112028, 224056, 1556389, 3112778, 6225556, 10894723, 12451112, 21789446, 43578892, 87157784]

約数ペア:

[(1, 87157784), (2, 43578892), (4, 21789446), (7, 12451112), (8, 10894723), (14, 6225556), (28, 3112778), (56, 1556389), (389, 224056), (778, 112028), (1556, 56014), (2723, 32008), (3112, 28007), (4001, 21784), (5446, 16004), (8002, 10892)]