219028784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2707}}^1$

素因数の和:3117

約数の個数: 40

約数和(自身を含む): 458356080

約数和(自身を除く): 239327296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 1556, 2707, 3112, 5057, 5414, 6224, 10114, 10828, 20228, 21656, 35191, 40456, 43312, 70382, 80912, 140764, 281528, 563056, 1053023, 2106046, 4212092, 8424184, 13689299, 16848368, 27378598, 54757196, 109514392, 219028784]

約数ペア:

[(1, 219028784), (2, 109514392), (4, 54757196), (8, 27378598), (13, 16848368), (16, 13689299), (26, 8424184), (52, 4212092), (104, 2106046), (208, 1053023), (389, 563056), (778, 281528), (1556, 140764), (2707, 80912), (3112, 70382), (5057, 43312), (5414, 40456), (6224, 35191), (10114, 21656), (10828, 20228)]