30878274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6871}}^1$

素因数の和:6990

約数の個数: 32

約数和(自身を含む): 71248896

約数和(自身を除く): 40370622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 6871, 13742, 20613, 41226, 48097, 96194, 144291, 288582, 735197, 1470394, 2205591, 4411182, 5146379, 10292758, 15439137, 30878274]

約数ペア:

[(1, 30878274), (2, 15439137), (3, 10292758), (6, 5146379), (7, 4411182), (14, 2205591), (21, 1470394), (42, 735197), (107, 288582), (214, 144291), (321, 96194), (642, 48097), (749, 41226), (1498, 20613), (2247, 13742), (4494, 6871)]