289916998

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{1109}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 506373120

約数和(自身を除く): 216456122

約数列:

[1, 2, 7, 14, 71, 142, 263, 497, 526, 994, 1109, 1841, 2218, 3682, 7763, 15526, 18673, 37346, 78739, 130711, 157478, 261422, 291667, 551173, 583334, 1102346, 2041669, 4083338, 20708357, 41416714, 144958499, 289916998]

約数ペア:

[(1, 289916998), (2, 144958499), (7, 41416714), (14, 20708357), (71, 4083338), (142, 2041669), (263, 1102346), (497, 583334), (526, 551173), (994, 291667), (1109, 261422), (1841, 157478), (2218, 130711), (3682, 78739), (7763, 37346), (15526, 18673)]