219816

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 617760

約数和(自身を除く): 397944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 71, 72, 86, 129, 142, 172, 213, 258, 284, 344, 387, 426, 516, 568, 639, 774, 852, 1032, 1278, 1548, 1704, 2556, 3053, 3096, 5112, 6106, 9159, 12212, 18318, 24424, 27477, 36636, 54954, 73272, 109908, 219816]

約数ペア:

[(1, 219816), (2, 109908), (3, 73272), (4, 54954), (6, 36636), (8, 27477), (9, 24424), (12, 18318), (18, 12212), (24, 9159), (36, 6106), (43, 5112), (71, 3096), (72, 3053), (86, 2556), (129, 1704), (142, 1548), (172, 1278), (213, 1032), (258, 852), (284, 774), (344, 639), (387, 568), (426, 516)]