79781478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2749}}^1$

素因数の和:3452

約数の個数: 32

約数和(自身を含む): 182688000

約数和(自身を除く): 102906522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 691, 1382, 2073, 2749, 4146, 4837, 5498, 8247, 9674, 14511, 16494, 19243, 29022, 38486, 57729, 115458, 1899559, 3799118, 5698677, 11397354, 13296913, 26593826, 39890739, 79781478]

約数ペア:

[(1, 79781478), (2, 39890739), (3, 26593826), (6, 13296913), (7, 11397354), (14, 5698677), (21, 3799118), (42, 1899559), (691, 115458), (1382, 57729), (2073, 38486), (2749, 29022), (4146, 19243), (4837, 16494), (5498, 14511), (8247, 9674)]