1988568

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 5475600

約数和(自身を除く): 3487032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 389, 426, 568, 639, 778, 852, 1167, 1278, 1556, 1704, 2334, 2556, 3112, 3501, 4668, 5112, 7002, 9336, 14004, 27619, 28008, 55238, 82857, 110476, 165714, 220952, 248571, 331428, 497142, 662856, 994284, 1988568]

約数ペア:

[(1, 1988568), (2, 994284), (3, 662856), (4, 497142), (6, 331428), (8, 248571), (9, 220952), (12, 165714), (18, 110476), (24, 82857), (36, 55238), (71, 28008), (72, 27619), (142, 14004), (213, 9336), (284, 7002), (389, 5112), (426, 4668), (568, 3501), (639, 3112), (778, 2556), (852, 2334), (1167, 1704), (1278, 1556)]