31183796

素因数分解:

$2^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:816

約数の個数: 36

約数和(自身を含む): 63800100

約数和(自身を除く): 32616304

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 389, 409, 778, 818, 1556, 1636, 2723, 2863, 5446, 5726, 10892, 11452, 19061, 20041, 38122, 40082, 76244, 80164, 159101, 318202, 636404, 1113707, 2227414, 4454828, 7795949, 15591898, 31183796]

約数ペア:

[(1, 31183796), (2, 15591898), (4, 7795949), (7, 4454828), (14, 2227414), (28, 1113707), (49, 636404), (98, 318202), (196, 159101), (389, 80164), (409, 76244), (778, 40082), (818, 38122), (1556, 20041), (1636, 19061), (2723, 11452), (2863, 10892), (5446, 5726)]