2019989265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{7723}}^1$

素因数の和:7838

約数の個数: 64

約数和(自身を含む): 3843956736

約数和(自身を除く): 1823967471

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 53, 105, 141, 159, 235, 265, 329, 371, 705, 795, 987, 1113, 1645, 1855, 2491, 4935, 5565, 7473, 7723, 12455, 17437, 23169, 37365, 38615, 52311, 54061, 87185, 115845, 162183, 261555, 270305, 362981, 409319, 810915, 1088943, 1227957, 1814905, 2046595, 2540867, 2865233, 5444715, 6139785, 7622601, 8595699, 12704335, 14326165, 19237993, 38113005, 42978495, 57713979, 96189965, 134665951, 288569895, 403997853, 673329755, 2019989265]

約数ペア:

[(1, 2019989265), (3, 673329755), (5, 403997853), (7, 288569895), (15, 134665951), (21, 96189965), (35, 57713979), (47, 42978495), (53, 38113005), (105, 19237993), (141, 14326165), (159, 12704335), (235, 8595699), (265, 7622601), (329, 6139785), (371, 5444715), (705, 2865233), (795, 2540867), (987, 2046595), (1113, 1814905), (1645, 1227957), (1855, 1088943), (2491, 810915), (4935, 409319), (5565, 362981), (7473, 270305), (7723, 261555), (12455, 162183), (17437, 115845), (23169, 87185), (37365, 54061), (38615, 52311)]