87569090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1321}}^1$

素因数の和:2282

約数の個数: 32

約数和(自身を含む): 180468864

約数和(自身を除く): 92899774

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 947, 1321, 1894, 2642, 4735, 6605, 6629, 9247, 9470, 13210, 13258, 18494, 33145, 46235, 66290, 92470, 1250987, 2501974, 6254935, 8756909, 12509870, 17513818, 43784545, 87569090]

約数ペア:

[(1, 87569090), (2, 43784545), (5, 17513818), (7, 12509870), (10, 8756909), (14, 6254935), (35, 2501974), (70, 1250987), (947, 92470), (1321, 66290), (1894, 46235), (2642, 33145), (4735, 18494), (6605, 13258), (6629, 13210), (9247, 9470)]