80994739

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 101657600

約数和(自身を除く): 20662861

約数列:

[1, 7, 19, 37, 109, 133, 151, 259, 703, 763, 1057, 2071, 2869, 4033, 4921, 5587, 14497, 16459, 20083, 28231, 39109, 76627, 106153, 115213, 312721, 536389, 608983, 743071, 2189047, 4262881, 11570677, 80994739]

約数ペア:

[(1, 80994739), (7, 11570677), (19, 4262881), (37, 2189047), (109, 743071), (133, 608983), (151, 536389), (259, 312721), (703, 115213), (763, 106153), (1057, 76627), (2071, 39109), (2869, 28231), (4033, 20083), (4921, 16459), (5587, 14497)]