221516988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239737}}^1$

素因数の和:239762

約数の個数: 48

約数和(自身を含む): 644415744

約数和(自身を除く): 422898756

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 239737, 479474, 719211, 958948, 1438422, 1678159, 2637107, 2876844, 3356318, 5034477, 5274214, 6712636, 7911321, 10068954, 10548428, 15822642, 18459749, 20137908, 31645284, 36919498, 55379247, 73838996, 110758494, 221516988]

約数ペア:

[(1, 221516988), (2, 110758494), (3, 73838996), (4, 55379247), (6, 36919498), (7, 31645284), (11, 20137908), (12, 18459749), (14, 15822642), (21, 10548428), (22, 10068954), (28, 7911321), (33, 6712636), (42, 5274214), (44, 5034477), (66, 3356318), (77, 2876844), (84, 2637107), (132, 1678159), (154, 1438422), (231, 958948), (308, 719211), (462, 479474), (924, 239737)]