25128082

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 46046880

約数和(自身を除く): 20918798

約数列:

[1, 2, 7, 14, 43, 49, 67, 86, 89, 98, 134, 178, 301, 469, 602, 623, 938, 1246, 2107, 2881, 3283, 3827, 4214, 4361, 5762, 5963, 6566, 7654, 8722, 11926, 20167, 26789, 40334, 41741, 53578, 83482, 141169, 187523, 256409, 282338, 292187, 375046, 512818, 584374, 1794863, 3589726, 12564041, 25128082]

約数ペア:

[(1, 25128082), (2, 12564041), (7, 3589726), (14, 1794863), (43, 584374), (49, 512818), (67, 375046), (86, 292187), (89, 282338), (98, 256409), (134, 187523), (178, 141169), (301, 83482), (469, 53578), (602, 41741), (623, 40334), (938, 26789), (1246, 20167), (2107, 11926), (2881, 8722), (3283, 7654), (3827, 6566), (4214, 5963), (4361, 5762)]