31969690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2113}}^1$

素因数の和:2226

約数の個数: 32

約数和(自身を含む): 61644240

約数和(自身を除く): 29674550

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 2113, 3026, 4226, 7565, 10565, 15130, 21130, 35921, 71842, 179605, 188057, 359210, 376114, 940285, 1880570, 3196969, 6393938, 15984845, 31969690]

約数ペア:

[(1, 31969690), (2, 15984845), (5, 6393938), (10, 3196969), (17, 1880570), (34, 940285), (85, 376114), (89, 359210), (170, 188057), (178, 179605), (445, 71842), (890, 35921), (1513, 21130), (2113, 15130), (3026, 10565), (4226, 7565)]