31321808

素因数分解:

$2^4\times 7^1\times {\mathrm{279659}}^1$

素因数の和:279674

約数の個数: 20

約数和(自身を含む): 69355680

約数和(自身を除く): 38033872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 279659, 559318, 1118636, 1957613, 2237272, 3915226, 4474544, 7830452, 15660904, 31321808]

約数ペア:

[(1, 31321808), (2, 15660904), (4, 7830452), (7, 4474544), (8, 3915226), (14, 2237272), (16, 1957613), (28, 1118636), (56, 559318), (112, 279659)]