87217690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3203}}^1$

素因数の和:3606

約数の個数: 32

約数和(自身を含む): 179936640

約数和(自身を除く): 92718950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1945, 2723, 3203, 3890, 5446, 6406, 13615, 16015, 22421, 27230, 32030, 44842, 112105, 224210, 1245967, 2491934, 6229835, 8721769, 12459670, 17443538, 43608845, 87217690]

約数ペア:

[(1, 87217690), (2, 43608845), (5, 17443538), (7, 12459670), (10, 8721769), (14, 6229835), (35, 2491934), (70, 1245967), (389, 224210), (778, 112105), (1945, 44842), (2723, 32030), (3203, 27230), (3890, 22421), (5446, 16015), (6406, 13615)]