867291838

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{2243}}^1$

素因数の和:2712

約数の個数: 32

約数和(自身を含む): 1512276480

約数和(自身を除く): 644984642

約数列:

[1, 2, 7, 14, 71, 142, 389, 497, 778, 994, 2243, 2723, 4486, 5446, 15701, 27619, 31402, 55238, 159253, 193333, 318506, 386666, 872527, 1114771, 1745054, 2229542, 6107689, 12215378, 61949417, 123898834, 433645919, 867291838]

約数ペア:

[(1, 867291838), (2, 433645919), (7, 123898834), (14, 61949417), (71, 12215378), (142, 6107689), (389, 2229542), (497, 1745054), (778, 1114771), (994, 872527), (2243, 386666), (2723, 318506), (4486, 193333), (5446, 159253), (15701, 55238), (27619, 31402)]