712404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 2253888

約数和(自身を除く): 1541484

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 257, 308, 396, 462, 514, 693, 771, 924, 1028, 1386, 1542, 1799, 2313, 2772, 2827, 3084, 3598, 4626, 5397, 5654, 7196, 8481, 9252, 10794, 11308, 16191, 16962, 19789, 21588, 25443, 32382, 33924, 39578, 50886, 59367, 64764, 79156, 101772, 118734, 178101, 237468, 356202, 712404]

約数ペア:

[(1, 712404), (2, 356202), (3, 237468), (4, 178101), (6, 118734), (7, 101772), (9, 79156), (11, 64764), (12, 59367), (14, 50886), (18, 39578), (21, 33924), (22, 32382), (28, 25443), (33, 21588), (36, 19789), (42, 16962), (44, 16191), (63, 11308), (66, 10794), (77, 9252), (84, 8481), (99, 7196), (126, 5654), (132, 5397), (154, 4626), (198, 3598), (231, 3084), (252, 2827), (257, 2772), (308, 2313), (396, 1799), (462, 1542), (514, 1386), (693, 1028), (771, 924)]