2420978

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 4406400

約数和(自身を除く): 1985422

約数列:

[1, 2, 7, 14, 29, 58, 67, 89, 134, 178, 203, 406, 469, 623, 938, 1246, 1943, 2581, 3886, 5162, 5963, 11926, 13601, 18067, 27202, 36134, 41741, 83482, 172927, 345854, 1210489, 2420978]

約数ペア:

[(1, 2420978), (2, 1210489), (7, 345854), (14, 172927), (29, 83482), (58, 41741), (67, 36134), (89, 27202), (134, 18067), (178, 13601), (203, 11926), (406, 5963), (469, 5162), (623, 3886), (938, 2581), (1246, 1943)]