888990571

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2999}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 1119744000

約数和(自身を除く): 230753429

約数列:

[1, 7, 17, 47, 53, 119, 329, 371, 799, 901, 2491, 2999, 5593, 6307, 17437, 20993, 42347, 50983, 140953, 158947, 296429, 356881, 986671, 1112629, 2396201, 2702099, 7470509, 16773407, 18914693, 52293563, 126998653, 888990571]

約数ペア:

[(1, 888990571), (7, 126998653), (17, 52293563), (47, 18914693), (53, 16773407), (119, 7470509), (329, 2702099), (371, 2396201), (799, 1112629), (901, 986671), (2491, 356881), (2999, 296429), (5593, 158947), (6307, 140953), (17437, 50983), (20993, 42347)]